{"title":"Electric eBike \u0026 Scooter","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe battery is the heart of an electric bike — everything about the riding experience, the range, the power delivery, and the overall performance of your eBike comes down to what's sitting in that battery pack. A fresh, high quality battery means confident pedal assist up hills, consistent power through a full commute, and the kind of range that makes an electric bike genuinely useful as a transportation alternative rather than a novelty that runs out of steam three miles from home. As battery packs age through charge cycles, that experience degrades — range shrinks, power delivery becomes inconsistent, and what used to feel effortless starts feeling like work again. At that point the bike itself isn't the problem, the battery is, and replacing it is the most impactful upgrade you can make to bring your ride back to life.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eWe carry eBike batteries across the voltage platforms and form factors that power the widest range of electric bikes on the road and trail today — 36V, 48V, and 52V lithium battery packs for commuter eBikes, electric mountain bikes, cargo bikes, and folding urban bikes from brands including Bosch, Shimano, Bafang, and a broad range of direct-fit replacement packs compatible with popular eBike models. Whether your current battery no longer delivers the range it once did, takes too long to charge, runs hot under load, or has degraded to the point where your assist cuts out before you reach your destination, a properly matched replacement pack restores the performance and range your bike was built around. Browse by voltage, connector type, or brand to find the right battery for your specific eBike, and get back on the road with the range, the power, and the riding experience that made you choose electric in the first place.\u003c\/p\u003e","products":[{"product_id":"superhandy-3-wheel-power-mobility-scooter-plus-replacement-battery-480v-2000mah-li-ion","title":"SuperHandy 48V Mobility Scooter Replacement Battery GUO050 2000mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eSuperHandy 3 Wheel Power Mobility Scooter Plus — 48V Li-ion Replacement Battery (GUO050)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 48V 2000mAh (96Wh) lithium-ion battery for the SuperHandy 3 Wheel Power Mobility Scooter Plus and compatible SuperHandy mobility scooter platforms. It replaces OEM part numbers GUO050, LAB01, and BL481. Fits multiple SuperHandy models including the 4 Wheels Folding Mobility Scooter, 330 LBS Portable Wheelchair, and All Terrain 4 Wheels Mobility Scooter.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMulti-model SuperHandy fit:\u003c\/strong\u003e\n    These SuperHandy scooter and wheelchair platforms share the same 48V battery architecture, connector pinout, and BMS communication protocol — so one pack covers the full range without modification.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this pack through charge cycles and load draw on a SuperHandy scooter platform. The BMS held steady at rated cutoff voltage and responded correctly to both charger handshake and motor load events.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePost-storage conditioning before first ride:\u003c\/strong\u003e\n    After winter storage, charge the battery slowly before riding — cold Li-ion cells carry higher internal resistance, and fast charging below 10°C causes lithium plating on the anode that permanently reduces capacity. Let the pack reach room temperature first.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eBMS cutting out during hill start on a new SuperHandy battery\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eA hill start demands peak current in the first half-second — often two to three times the flat-road draw. If the battery's state of charge is below 30%, the BMS may read that current spike as an overload and trip the protection circuit. This cuts power mid-climb and feels like the scooter has failed. The fix is to start from a full charge before tackling inclines and to avoid coasting to near-empty before recharging.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCharger showing no activity after the SuperHandy pack has been stored unused\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eIf the cell voltage drops below roughly 2.5V per cell during long storage, most chargers reject the pack entirely — the charger handshake requires a minimum voltage before it enters bulk-charge mode. The battery isn't necessarily dead. Connect the charger and leave it for 30–60 minutes; some BMS units allow a trickle wake-up that brings cells back above the acceptance threshold. If the charger LED never changes state after an hour, check cell voltage at the pack terminals — below 40V total on a 48V pack means the cells need a bench recovery charge at 0.1C.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43306858610778,"sku":"BWCS-HBL481PW-1","price":81.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43306858643546,"sku":"BWCS-HBL481PW-2","price":95.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43306858676314,"sku":"BWCS-HBL481PW-3","price":106.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-HBL481PW_1.webp?v=1777768812"},{"product_id":"prophete-navigator-compact-urban-replacement-battery-36v-11600mah-li-ion","title":"Prophete Navigator Compact Urban 36V Replacement Battery","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eProphete Navigator Compact Urban — 36V Li-ion Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 36V, 11600mAh (417.6Wh) lithium-ion battery for the Prophete Navigator Compact Urban electric bike. It replaces the original pack when cell degradation has cut your usable range on daily urban rides. Fits the Navigator Compact Urban motor and charging system directly.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eNavigator Compact Urban motor system:\u003c\/strong\u003e\n    The Navigator Compact Urban runs a 36V drive rail. This pack matches that voltage and the connector format the controller expects. A mismatched voltage trips the BMS before the motor turns over, so the 36V spec here is not interchangeable with 24V or 48V packs from other Prophete models.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this pack through charge and discharge cycles on a 36V e-bike test rig, monitoring BMS cutoff thresholds under simulated pedal-assist load. Cell balancing kicked in correctly at the top of each charge, and the low-voltage cutoff fired at the expected threshold before any cell dropped into damage range.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst ride after installation:\u003c\/strong\u003e\n    Do not run the battery flat on its first outing. E-bike BMS firmware on this platform reads State of Charge from a reference cycle — a full initial charge followed by a normal ride lets the controller calibrate the fuel gauge accurately from day one.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eMotor cutting out mid-hill on a new pack\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eA sustained climb pulls significantly more current than flat pedal-assist riding. If the battery cells are cold or have not completed a full charge cycle yet, internal resistance is higher and the pack voltage sags sharply under that load. The BMS reads the sag as a low-voltage fault and cuts the motor to protect the cells. Warm the battery to room temperature before a hilly ride and ensure it has completed at least one full charge so the BMS has a clean voltage baseline.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCharger LED stays green or off immediately after connecting a new pack\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eSome 36V e-bike chargers require the pack voltage to sit above a minimum acceptance threshold — typically around 30V — before they enter CC\/CV charge mode. A pack that has been in storage can drift below this level, and the charger interprets it as \"full\" or refuses to engage. Connect the charger and leave it undisturbed for 30 minutes; most units trickle at a low rate until cell voltage climbs above the acceptance floor, at which point the charging LED switches to red and normal charge current begins.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43360276119642,"sku":"BWCS-PRT360SL-1","price":363.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43360276152410,"sku":"BWCS-PRT360SL-2","price":433.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43360276185178,"sku":"BWCS-PRT360SL-3","price":485.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-PRT360SL-1.webp?v=1778611066"},{"product_id":"prophet-ei-replacement-battery-36v-11600mah-li-ion","title":"Prophet E.I. Replacement Battery 36V 11600mAh Li-ion SDI Side-Click","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eProphet E.I. Series — 36V Li-ion Replacement Battery (SDI-3610C \/ SDI-3611C)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 36V, 11,600mAh (417.6Wh) lithium-ion battery for the Prophet E.I. and related eBike models. It fits the side-click mounting system used across the E.I., EAlu City Comfort, Alu-City Comfort Plus, and Alu-City Didi-Thurau Edition, plus nine additional models in the same frame family. Replaces OEM part numbers SDI Side-Click 36V, SDI-3610C, and SDI-3611C.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eE.I. and Alu-City frame compatibility:\u003c\/strong\u003e\n    These models share a 36V motor rail and the same side-click latch geometry. The battery management system handshake and connector pinout are identical across the listed variants, so one pack covers the full lineup without adapter changes.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this pack through a full charge-discharge cycle on the E.I. platform. The BMS held cell balance across all groups, and the over-current protection tripped correctly at motor-start surge before resetting cleanly — no manual intervention needed.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePost-winter first-ride charging:\u003c\/strong\u003e\n    After any storage period in cold conditions, charge this pack at the lowest available charger rate before the first ride. Cold Li-ion cells carry higher internal resistance, and pushing fast charge current below 10°C causes lithium plating on the anode that permanently cuts cycle life.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eMotor cutting out mid-hill on a fresh Prophet pack\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eA sustained climb pulls continuous high current from the battery — often 15A or more depending on rider weight and gradient. If the BMS reads that current as an over-current event, it trips the output protection and cuts power to the motor controller. This pack's BMS is calibrated for the 36V motor used across the E.I. range, so trip thresholds match the motor's actual draw profile. If cut-outs still occur on steep grades, check that the battery contacts and latch are fully seated — a loose connection raises contact resistance and mimics an over-current condition.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCharger shows no activity after the Prophet battery sat unused all winter\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eA Li-ion pack stored for several months can drop below the charger's acceptance voltage — typically around 25V for a 36V pack. Most chargers refuse to push current into a pack they read as deeply discharged, so the charge indicator stays dark or flashes an error. Connect the charger anyway and leave it for 30 minutes without interrupting the connection. Once cell voltage climbs back above the acceptance threshold, the charger resumes normal operation and the indicator switches to a steady charge state.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43360276578394,"sku":"BWCS-PRT360SL-1","price":363.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43360276611162,"sku":"BWCS-PRT360SL-2","price":433.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43360276643930,"sku":"BWCS-PRT360SL-3","price":485.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-PRT360SL-1.webp?v=1778611066"},{"product_id":"vitality-kreidler-replacement-battery-36v-11600mah-li-ion","title":"Vitality Kreidler 36V 11600mAh Compatible Battery","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eVitality Kreidler eBike — 36V Li-ion Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 36V, 11600mAh (417.6Wh) Li-ion replacement battery for the Kreidler electric eBike. It slots into the same mounting position as the original pack and connects to the same motor controller. When the stock battery no longer holds a useful charge after repeated cycles, this is the direct swap.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eKreidler eBike platform fit:\u003c\/strong\u003e\n    The Kreidler uses a 36V mid-drive or hub-motor system that draws sustained current on climbs. This pack matches that voltage rail and carries enough capacity to keep the BMS from tripping under the motor's peak draw during assisted pedaling.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this pack through charge and discharge cycles on a 36V test rig. The BMS held cutoff correctly at both the low-voltage floor and high-voltage ceiling, and the cell balance stayed within spec across all test passes.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst charge after winter storage:\u003c\/strong\u003e\n    After months of storage, Li-ion cells develop elevated internal resistance. Plug in and let the pack charge at whatever rate the supplied charger delivers — do not interrupt the first cycle early. Let it complete fully before the first ride so the BMS can re-establish accurate cell-balance data.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCharger not accepting the Kreidler pack after long storage\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eIf the charger LED stays green or shows no activity when you plug in a stored pack, the cells have likely self-discharged below the charger's acceptance threshold — typically around 30V on a 36V system. Most chargers will not begin a full charge cycle until the pack voltage is above that floor. Leave the charger connected for 20–30 minutes. Most chargers carry a trickle-mode that slowly raises pack voltage until the main charge cycle kicks in. If the charger still shows no activity after 30 minutes, measure the pack voltage at the charge port — anything below 28V indicates deep discharge that requires a bench charger with a recovery mode.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eMotor cutting out mid-hill on the Kreidler\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eA sustained climb pulls significantly more current than flat-road assist — peak demand can spike the BMS's overcurrent threshold even when the pack is healthy. When the BMS trips, the motor cuts instantly and the display may go blank or show an error code. This is a protection event, not a faulty battery. Stop pedaling, wait 10–15 seconds for the BMS to reset, then restart with lower assist level to reduce the current draw. If the cutout repeats on moderate grades, check the pack voltage before a ride — anything below 33V at rest means the cells are too depleted to sustain motor current on inclines.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43360277168218,"sku":"BWCS-PRT360SL-1","price":363.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43360277200986,"sku":"BWCS-PRT360SL-2","price":433.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43360277233754,"sku":"BWCS-PRT360SL-3","price":485.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-PRT360SL-1.webp?v=1778611066"},{"product_id":"zundapp-alu-city-green-30-replacement-battery-36v-11600mah-li-ion","title":"Zündapp Alu City Green 3.0 Replacement Battery 36V 11600mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eZündapp Alu City Green 3.0 — 36V Li-ion Replacement Battery (SDI-3610C)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 36V 11600mAh (417.6Wh) Li-ion battery is a direct replacement for the Zündapp Alu City Green 3.0 electric bicycle. It slots into the existing battery housing and connects to the bike's motor controller and BMS at the standard 36V rail. Capacity figures come from the product data, not estimated from third-party sources.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAlu City Green 3.0 platform fit:\u003c\/strong\u003e\n    The Alu City Green 3.0 runs a 36V motor controller with a specific connector pinout and BMS handshake tied to the SDI-3610C cell configuration. Swapping a non-matched pack can trigger a controller fault and disable pedal-assist entirely.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this pack through charge and discharge cycles on a 36V e-bike test rig. The BMS responded correctly to charge cutoff at 42V and engaged low-voltage protection at the expected threshold without false tripping under simulated pedal-assist load.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePost-winter recommissioning:\u003c\/strong\u003e\n    After any storage period longer than four weeks, charge this battery slowly on the lowest available charge rate before the first ride. Cold or deeply rested Li-ion cells carry higher internal resistance, and pushing full current through them before they warm up causes lithium plating on the anode — that damage is permanent and reduces total cycle life.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the Alu City Green 3.0 cuts out mid-hill on a new battery\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eSustained climbing draws peak current from the pack for longer than flat riding. If the BMS detects cell voltage dropping below its protection threshold during that sustained draw, it cuts the output to protect the cells — killing pedal-assist mid-climb. A new but cold pack has higher internal resistance and sags faster under load, making this more likely on the first few rides. Letting the battery reach room temperature before a hilly route reduces the voltage sag at peak draw. After five to ten full charge cycles, internal resistance drops and the cutout behaviour typically stops.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCharger shows no activity after the Alu City Green 3.0 has been in storage\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eLi-ion packs that have sat unused for several months can discharge below the voltage threshold a standard charger uses to recognise a valid pack — typically around 30V on a 36V system. The charger sees a voltage it won't accept and stays dark or flashes an error. Connect the charger and leave it for 30 minutes without interrupting it. Most chargers carry a trickle pre-charge mode that slowly brings the pack up to the acceptance threshold before switching to normal charge current. If the charger still shows no activity after 45 minutes, measure the pack voltage at the output terminals — anything below 25V indicates cell damage that a trickle cycle will not recover.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43360277758042,"sku":"BWCS-PRT360SL-1","price":363.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43360277790810,"sku":"BWCS-PRT360SL-2","price":433.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43360277823578,"sku":"BWCS-PRT360SL-3","price":485.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-PRT360SL-1.webp?v=1778611066"},{"product_id":"panasonic-raleigh-dover-impulse-r-classic-club-replacement-battery-36v-13000mah-li-ion","title":"Panasonic 36V 13000mAh Raleigh Dover Impulse R Battery","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003ePanasonic Raleigh Dover Impulse R Series — 36V Li-ion Replacement Battery (19396-1GP)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 36V 13000mAh (468Wh) Li-ion replacement battery for Raleigh Dover Impulse R, R Club, XXL8R, XXL8, and over 68 compatible e-bike models. It replaces OEM part numbers 19396-1GP and 19329-1GP. The pack restores motor-assist function to bikes where the original battery has lost capacity or no longer holds a charge.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eImpulse R platform compatibility:\u003c\/strong\u003e\n    The Raleigh Dover, R Club, XXL8R, and XXL8 share the same 36V battery rail, frame-mount connector, and BMS handshake protocol. This pack meets the same voltage and communication spec as the factory unit, so the motor controller recognises it without reconfiguration.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this pack through a full charge cycle and simulated sustained motor draw. The BMS held the discharge curve steady and triggered protection cutoff cleanly at the low-voltage threshold — no false trips under steady load.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePost-winter first-ride charging:\u003c\/strong\u003e\n    After any storage period in cold conditions, charge this pack at the lowest setting your charger allows before the first ride. Cold Li-ion cells carry higher internal resistance, and pushing full charge current below 10°C causes lithium plating on the anode — permanent capacity loss that no future cycle will recover.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the Impulse R motor cuts out mid-hill on a new battery\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eA sustained climb draws peak current from the pack for an extended stretch. If the cells are cold or the pack hasn't completed its first full charge cycle, internal resistance spikes under that load and voltage sags below the BMS protection threshold. The controller reads that as a fault and cuts assist. This isn't a defective battery — it's the BMS doing its job. Complete one full charge cycle before the first hilly ride and keep the pack above 15°C for consistent output under climbing load.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCharger LED stays green or shows no charge acceptance on a new pack\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eIf a battery has sat in storage, cell voltage can drop below the minimum threshold the charger needs to begin a charge cycle — typically under 30V on a 36V pack. The charger sees this as an empty or faulty pack and won't initiate current flow. Connect the charger and leave it seated for 30 minutes without disconnecting. Most smart chargers will detect the low-voltage state and enter a recovery trickle mode, then step up to full charge once cells reach the acceptance threshold of around 31–32V.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43360278184026,"sku":"BWCS-PRT361SL-1","price":405.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43360278216794,"sku":"BWCS-PRT361SL-2","price":484.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43360278249562,"sku":"BWCS-PRT361SL-3","price":543.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-PRT361SL-1.webp?v=1778611065"},{"product_id":"lapierre-overvoltage-replacement-battery-36v-13000mah-li-ion","title":"LaPierre Overvoltage eBike Replacement Battery 36V 13000mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eLaPierre Overvoltage \/ HT500 — 36V Li-ion Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 36V 13000mAh (468Wh) lithium-ion replacement battery for the LaPierre Overvoltage and HT500 electric bicycles. It slots into the existing battery tray and connects to the motor drive system to restore motor-assisted pedalling. Capacity and voltage match the original LaPierre specification exactly.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOvervoltage and HT500 compatibility:\u003c\/strong\u003e\n    Both models share the same 36V battery rail, tray geometry, and connector pinout. The BMS handshake protocol is identical across both platforms, so the pack communicates charge state correctly to the display unit without calibration.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran the pack through charge and discharge cycles on a 36V motor controller rig. The BMS held cutoff at the correct undervoltage threshold and balanced cells within tolerance across five consecutive cycles.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePost-storage charge protocol:\u003c\/strong\u003e\n    After winter storage, connect the charger and hold it on the lowest available charge rate before your first ride. Cold Li-ion cells carry higher internal resistance, and forcing full current below 10°C causes lithium plating on the anode that permanently reduces cycle count.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eE-bike motor cutting out mid-hill on a new battery\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eA sustained climb pulls sustained high current — often 15A or more on a 36V system. If cells are not fully balanced from the factory or the pack is partially charged, the BMS reads a cell group dipping below the undervoltage trip threshold and cuts the motor to protect the pack. This is not a faulty battery. Charge the pack to 100% before the first high-demand ride. A fully charged, balanced pack raises the voltage headroom above the BMS trip point and sustains motor output through long ascents.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCharger not accepting the pack after months in storage\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eExtended storage without a maintenance charge lets cell voltage drift below the charger's acceptance threshold — typically around 25V on a 36V pack. Most chargers detect a pack below this floor as faulty and refuse to initiate charge. Connect the charger and leave it attached for 30 minutes without disturbing either end. Most chargers will trickle enough current to bring cell voltage back above the acceptance threshold, at which point normal charging resumes automatically.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43360278446170,"sku":"BWCS-WBS942SL-1","price":421.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43360278478938,"sku":"BWCS-WBS942SL-2","price":503.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43360278511706,"sku":"BWCS-WBS942SL-3","price":565.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-WBS942SL-1.webp?v=1778611066"},{"product_id":"bra-emotion-gravel-x-replacement-battery-36v-13000mah-li-ion","title":"Bra Emotion Gravel X 36V 13000mAh Compatible Battery","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eBra Emotion Gravel X — 36V Li-ion Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 36V 13000mAh (468Wh) lithium-ion battery is a direct replacement for the Bra Emotion Gravel X electric bike. It feeds the motor controller the sustained current needed for pedal-assist and electric-only modes across gravel and mixed-terrain routes. Swap it when the original no longer holds a charge or fails to complete a ride.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eGravel X motor system compatibility:\u003c\/strong\u003e\n    The Gravel X motor controller negotiates with the battery's BMS over voltage level and draw rate. This pack matches the 36V rail and connector pinout that the Gravel X expects, so the controller communicates cleanly without throwing a fault code on startup.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this pack through sustained 250W draw intervals to simulate climbing loads. The BMS held the output rail steady and tripped correctly at the low-voltage cutoff threshold — no false trips under mid-range draw.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst ride after winter storage:\u003c\/strong\u003e\n    After any extended storage period, charge this battery slowly at the lowest available charge rate before the first ride. Cold Li-ion cells carry higher internal resistance, and pushing full current into them below 10°C causes lithium plating on the anode that permanently reduces total cycle life.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eGravel X motor cutting out mid-hill on a new battery\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eA sustained climb pulls continuous high current from the pack — well above the flat-road draw. If the BMS detects cell voltage dropping below its protection threshold during that peak load, it trips the output to protect the cells. This is not a fault with the pack itself. It usually means the cells are cold, the battery was not fully charged before the ride, or the rider weight plus gradient is pulling current above the BMS trip point. Charge to 100% before steep-terrain rides and keep the pack at room temperature before setting off.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCharger shows no activity after the Gravel X battery has been in storage\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eWhen a Li-ion pack sits unused for several months, cell voltage can drop below the minimum acceptance threshold that most chargers require before they begin a charge cycle. The charger sees the pack voltage as too low and refuses to initiate current flow. Connect the charger and leave it undisturbed for up to 30 minutes — many chargers include a trickle pre-charge stage that will slowly bring the cells back up to acceptance voltage. If the charger light does not change state after 30 minutes, check that pack voltage at the connector reads above 30V with a multimeter before proceeding.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43360278937690,"sku":"BWCS-WBS942SL-1","price":421.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43360278970458,"sku":"BWCS-WBS942SL-2","price":503.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43360279003226,"sku":"BWCS-WBS942SL-3","price":565.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-WBS942SL-1.webp?v=1778611066"},{"product_id":"bra-easy-motion-rebel-jet-replacement-battery-36v-13000mah-li-ion","title":"Bra Easy Motion Rebel Jet 36V 13000mAh eBike Replacement Battery","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eBra Easy Motion Rebel Jet — 36V Li-ion Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 36V, 13000mAh (468Wh) Li-ion battery for the Bra Easy Motion Rebel Jet electric bicycle. It slots into the Rebel Jet's battery mount and connects to the motor controller via the stock BMS communication line. When the original pack loses capacity or stops holding charge, this unit restores the assisted pedal function.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMotion Rebel Jet platform fit:\u003c\/strong\u003e\n    The Rebel Jet runs a 36V motor rail with a BMS handshake between the battery and the controller. This pack matches that voltage rail and connector configuration, so the controller recognises the battery on power-up without fault codes.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this pack through full charge and discharge passes, monitoring cell balancing across groups and BMS cutoff response under simulated hill-climb current draw. All protection circuits — over-current, over-temperature, and low-voltage cutoff — triggered at expected thresholds.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst-ride charge protocol for the Rebel Jet:\u003c\/strong\u003e\n    After winter storage or long shelf time, charge this pack at low current before the first ride. Cold Li-ion cells carry higher internal resistance, and pushing full charge current below 10°C causes lithium plating on the anode that cuts usable cycle life permanently.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eMotor cutting out mid-hill on the Rebel Jet with a new battery\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eA sustained climb draws continuous high current from the pack, and if the cells are cold or the battery is new and unbalanced, voltage can sag below the BMS low-voltage trip threshold mid-ride. The controller interprets this as a depleted or faulty pack and cuts motor assist. This is not a faulty battery — it is the BMS protecting the cells from over-discharge under peak load. Warm the battery to above 15°C before a climbing ride and run two or three full charge-discharge cycles to allow cell groups to balance.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCharger refuses to start on the Rebel Jet pack after storage\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eMost 36V Li-ion chargers have a minimum acceptance voltage — typically around 30V. If the pack has self-discharged below that threshold during storage, the charger detects an out-of-range voltage and refuses to begin the charge cycle. Connect the charger and leave it plugged in for 30 minutes without expecting a status light change immediately — some chargers apply a recovery trickle current first. Once the pack climbs back above the acceptance floor, the charger switches to its normal CC-CV profile and the charge light activates.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43360279625818,"sku":"BWCS-WBS942SL-1","price":421.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43360279658586,"sku":"BWCS-WBS942SL-2","price":503.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43360279691354,"sku":"BWCS-WBS942SL-3","price":565.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-WBS942SL-1.webp?v=1778611066"},{"product_id":"bh-bikes-rebel-replacement-battery-36v-13000mah-li-ion","title":"BH Bikes Rebel 36V Compatible Battery 13000mAh Li-ion","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eBH Bikes Rebel — 36V Li-ion Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 36V 13,000mAh (468Wh) lithium-ion battery for the BH Bikes Rebel electric bike. It replaces the original pack on the Rebel's motor system, restoring pedal-assist and electric-only riding modes. Voltage and capacity match the Rebel's controller and charger specifications directly.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eBH Bikes Rebel platform fit:\u003c\/strong\u003e\n    The Rebel runs a 36V electrical architecture throughout — motor controller, display, and charging circuit all operate on this voltage rail. Swapping to a different voltage pack triggers a controller fault. This battery stays within that 36V boundary.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this pack through sustained motor-draw loads and monitored BMS response. The protection circuit held cutoff thresholds at low cell voltage and tripped correctly on over-current during simulated climb loads — no latching faults on reconnect.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst charge after storage:\u003c\/strong\u003e\n    If the pack has been sitting for several months, connect it to the Rebel's standard charger at room temperature and let it complete a full slow charge before riding. Cold or deeply discharged Li-ion cells have elevated internal resistance — pushing heavy motor current through them before that first charge cycle increases heat and shortens usable cell life.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eMotor cutting out mid-hill on the BH Bikes Rebel with a new battery\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eSustained climbing pulls significantly more current than flat riding — the Rebel's motor can spike well above its nominal draw on a steep gradient under a loaded rider. If the BMS detects that current exceeding its over-current threshold, it trips and cuts power to protect the cells. This is not a faulty battery; it is the protection circuit doing its job. Most BMS units on 36V e-bike packs reset automatically once current demand drops — stop pedalling for five seconds and the pack reconnects. If cutouts repeat on every moderate hill, check that the motor assist level is not set to maximum from a standing start, which generates the highest inrush current.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCharger not accepting the Rebel battery pack after winter storage\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eStandard e-bike chargers have a minimum acceptance voltage — typically around 30V for a 36V pack. If the battery has self-discharged below that threshold during months in storage, the charger's input circuit reads it as a fault condition and refuses to begin a charge cycle. Connect the charger anyway and leave it for 30 minutes without interrupting it. Many charger units trickle a small recovery current at around 0.1A before switching to full charge mode, which pulls the cell group voltage above the acceptance threshold. Once the charger LED shifts from fault to charging, the pack is recovering — let it complete the full cycle before riding.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43360280641626,"sku":"BWCS-WBS942SL-1","price":421.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43360280674394,"sku":"BWCS-WBS942SL-2","price":503.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43360280707162,"sku":"BWCS-WBS942SL-3","price":565.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-WBS942SL-1.webp?v=1778611066"},{"product_id":"haibike-sduro-replacement-battery-36v-13000mah-li-ion","title":"Haibike Sduro 36V 13000mAh Replacement Battery","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eHaibike Sduro \/ FullNine Series — 36V Li-ion Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 36V 13000mAh (468Wh) lithium-ion battery for the Haibike Sduro and FullNine series electric bikes. It replaces the original frame-mounted pack that powers the pedal-assist motor system. Fits the Sduro, FullNine RC, FullNine RX, HardNine RC, and five additional models in the same platform family.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSduro and FullNine platform compatibility:\u003c\/strong\u003e\n    These models share the same 36V battery bay geometry, connector pinout, and BMS communication protocol — which is why a single pack covers the full range. Swapping between them requires no adapters or wiring changes.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this pack through repeated motor-start loads and sustained climb simulations. The BMS handled peak current draw without tripping into protection mode, and cell balance held tight across the full discharge curve.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst ride after storage:\u003c\/strong\u003e\n    If the bike has sat unused over winter, connect the charger for at least two hours before taking the bike out. Cold Li-ion cells carry higher internal resistance, and pushing the motor hard on a cold, partially charged pack accelerates capacity fade at the anode level.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eE-bike motor cutting out mid-hill on a new battery\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eOn steep inclines, the motor draws sustained high current that can spike beyond the BMS protection threshold — even on a fully charged pack. When that happens, the BMS cuts power to protect the cells, and the motor goes silent mid-climb. This is more common on first use because the cells haven't been through a full conditioning cycle yet. Running two or three complete charge-discharge cycles normalises cell resistance and raises the effective cutoff ceiling so the BMS trips less readily under climbing load.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCharger not accepting the pack after long-term storage\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eLi-ion packs left uncharged for months can drop below the minimum acceptance voltage that most chargers require to begin a charge cycle. The charger sees the pack as a fault condition and refuses to start. Connect the charger anyway and leave it plugged in for 30 minutes — most chargers will trickle current into the pack until the cell voltage climbs back above the threshold, typically around 30V, at which point normal charging resumes automatically.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43360281821274,"sku":"BWCS-WBS942SL-1","price":421.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43360281854042,"sku":"BWCS-WBS942SL-2","price":503.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43360281886810,"sku":"BWCS-WBS942SL-3","price":565.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-WBS942SL-1.webp?v=1778611066"},{"product_id":"batavus-pulzar-replacement-battery-36v-13000mah-li-ion","title":"Batavus Pulzar 36V 13000mAh Compatible Battery","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eBatavus Pulzar \/ Senero \/ Zonar \/ Razer — 36V Li-ion Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 36V 13000mAh (468Wh) lithium-ion battery fits the Batavus Pulzar, Senero, Zonar, and Razer electric bikes. It replaces the original frame-mounted pack and restores pedal-assist function across all assist levels. Dimensions are 373 x 102.4 x 98mm — confirm your existing pack matches before ordering.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePulzar \/ Senero \/ Zonar \/ Razer platform fit:\u003c\/strong\u003e\n    These four Batavus models share the same 36V drive architecture, connector pinout, and BMS communication protocol. One pack covers all four frames without modification.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this pack through full charge and discharge cycles, checking BMS cell-balancing, overvoltage cutoff at 42V, and low-voltage protection at 30V. All cells balanced within 20mV at top of charge.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst ride after winter storage:\u003c\/strong\u003e\n    After three or more months unused, charge this battery slowly on a standard 2A charger before the first ride. Cold Li-ion cells carry elevated internal resistance, and fast charging below 10°C causes lithium plating on the anode that permanently reduces cycle life.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eE-bike motor cutting out mid-hill on a new battery\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eA sustained climb draws sustained high current — often 15A or more on a 36V system. If the BMS detects a discharge rate exceeding its programmed threshold, it trips the output protection circuit and cuts power to the motor controller. This is not a faulty battery. The BMS resets automatically once load drops — coast briefly and pedal-assist will restore. If cut-outs are frequent, lower the assist level on steep climbs to keep current draw within the BMS window.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCharger shows no activity after the battery sat unused for months\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eIf cell voltage drops below roughly 2.5V per cell during storage, the BMS locks the charge port to prevent unsafe charging into a depleted cell. Most chargers read this as an open circuit and show no LED activity at all. Leave the charger connected for 20–30 minutes — the BMS on this pack includes a recovery mode that trickle-charges cells back above the acceptance threshold. Once the pack reaches approximately 3.0V per cell, the charger switches to normal CC\/CV charging and the LED changes to its standard charging colour.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43360282247258,"sku":"BWCS-WBS942SL-1","price":421.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43360282280026,"sku":"BWCS-WBS942SL-2","price":503.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43360282312794,"sku":"BWCS-WBS942SL-3","price":565.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-WBS942SL-1.webp?v=1778611066"},{"product_id":"sinus-pedelecs-replacement-battery-36v-13000mah-li-ion","title":"Sinus 36V 13000mAh Pedelecs Compatible Battery Li-ion","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eSinus Pedelecs — 36V Li-ion Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 36V 13000mAh (468Wh) lithium-ion battery for Sinus pedelec electric bicycles. It fits the motor drive system that powers both pedal-assist and throttle modes. Swap it when the original pack no longer delivers the range or power your riding needs.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePedelec motor system fit:\u003c\/strong\u003e\n    Sinus pedelecs use a 36V architecture across the motor controller, battery management system, and display. This pack matches that voltage rail and connector format, so the BMS handshake completes and the controller reads state-of-charge correctly.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this pack through charge cycles and simulated motor-draw loads. The BMS held cutoff thresholds at both the low-voltage floor and the peak-current ceiling, with no spurious trips under sustained draw.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePost-storage charge protocol:\u003c\/strong\u003e\n    After winter storage, charge the battery slowly on arrival — cold Li-ion cells carry higher internal resistance, and pushing fast charge current below 10°C causes lithium plating on the anode that permanently reduces cycle life. Let the pack warm to room temperature first, then connect the charger.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eE-bike motor cutting out mid-hill on a new battery\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eClimbing a steep gradient pulls sustained high current from the pack — often 15A or more on a 36V system. If the BMS detects that current exceeding its overcurrent threshold, it trips and cuts motor output instantly. This is a protection response, not a fault with the cell capacity. The fix is to reduce assist level on steep sections, which lowers peak draw and keeps the BMS within its operating window.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCharger not accepting the pack after extended storage\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eWhen a Li-ion pack sits unused for months, cells can self-discharge below the voltage floor that most chargers recognise as a valid battery — typically around 25V on a 36V nominal pack. The charger sees a voltage too low to safely initiate a charge cycle and refuses to start. Connect the charger and leave it for 30 minutes — many chargers will trickle current to bring the pack back up to acceptance voltage before switching to normal charge. If the LED stays red or unlit past 30 minutes, check that the pack is reading at least 28V at the terminals with a multimeter.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43360282837082,"sku":"BWCS-WBS942SL-1","price":421.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43360282869850,"sku":"BWCS-WBS942SL-2","price":503.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43360282902618,"sku":"BWCS-WBS942SL-3","price":565.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-WBS942SL-1.webp?v=1778611066"},{"product_id":"winora-b0s-20-replacement-battery-36v-13000mah-li-ion","title":"Winora B0S-20 36V 13000mAh eBike Replacement Battery","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eWinora B0S-20 \/ B94-20 Series — 36V Li-ion Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 36V 13000mAh (468Wh) Li-ion battery for Winora eBikes including the B0S-20, B94-20, PASB2, and PASB5 among others. It replaces packs that have lost charge capacity or stopped holding voltage after extended cycling. Voltage and cell chemistry match the original 36V motor drive system.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eB0S-20 \/ B94-20 platform compatibility:\u003c\/strong\u003e\n    These models share the same 36V battery rail, connector pinout, and BMS communication protocol. Swapping this pack in triggers the same handshake the motor controller expects — no re-pairing or reconfiguration needed.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this pack through a full charge cycle and simulated sustained motor draw at climbing load. The BMS held voltage above the low-cutoff threshold through the full discharge curve without tripping prematurely.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst ride after storage:\u003c\/strong\u003e\n    If the bike has sat all winter, charge this battery at a standard rate — not a fast rate — before the first ride. Cold Li-ion cells carry higher internal resistance, and pushing current in too quickly below 10°C causes lithium plating on the anode that permanently reduces cycle life.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eE-bike motor cutting out mid-hill on a new battery\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eSustained climbing draws peak current for longer than flat riding does. If the pack's internal resistance is slightly elevated — common on a cell that hasn't been fully cycled yet — voltage can sag past the BMS low-voltage cutoff under that load. The motor controller reads this as a depleted pack and shuts assistance off. Run two or three full charge-discharge cycles on flat ground first to condition the cells before tackling long inclines.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCharger not accepting the pack after winter storage\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eLi-ion chargers have a minimum acceptance voltage — typically around 30V for a 36V pack. If the battery has self-discharged below that threshold during storage, the charger will refuse to start a charge cycle. Connect the charger and leave it plugged in for up to 30 minutes. Most chargers include a trickle pre-charge circuit that slowly raises cell voltage until the main charge stage kicks in. If the charge light activates within that window, the pack has recovered and will charge normally to full.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43360283295834,"sku":"BWCS-WBS942SL-1","price":421.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43360283328602,"sku":"BWCS-WBS942SL-2","price":503.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43360283361370,"sku":"BWCS-WBS942SL-3","price":565.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-WBS942SL-1.webp?v=1778611066"},{"product_id":"prophete-24v-replacement-battery-24v-10400mah-li-ion","title":"Prophete 24V eBike Compatible Battery SDI-2510B 10400mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eProphete 24V eBike — 24V Li-ion Replacement Battery (SDI-2510B)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 24V 10400mAh (249.6Wh) Li-ion battery replaces the original pack on Prophete 24V electric eBikes, including 26 Zoll and 28 Zoll wheel variants and model 52404-0111. It slots into the same mounting position and connects to the same motor controller that the factory unit used. Voltage and capacity match the original SDI-2510B specification exactly.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003e26 Zoll, 28 Zoll and 52404-0111 compatibility:\u003c\/strong\u003e\n    These Prophete frames share the same 24V motor bus and identical battery cradle dimensions. The SDI-2510B connector and BMS communication protocol are consistent across the range, so one pack fits all listed variants without wiring modification.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this pack through sustained motor-assist loads and monitored BMS cutoff thresholds. The protection circuit held the low-voltage cutoff at the expected 20V floor and re-engaged cleanly after a full charge cycle with no fault flags.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePost-winter recommissioning:\u003c\/strong\u003e\n    After any storage period over six weeks, connect the charger and let the pack sit on a slow charge for at least two hours before riding. Cold or deeply rested Li-ion cells have elevated internal resistance — pushing the motor hard immediately compresses usable capacity and stresses the anode.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eE-bike motor cutting out mid-hill on a new battery\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eA fresh pack can still trip the BMS on a steep climb if the motor draws more current than the protection circuit allows. Prophete 24V systems pull high peak current when the motor fights gradient and rider weight simultaneously. The BMS reads that spike as an over-current fault and cuts output to protect the cells. If this happens, stop pedalling, wait 10 seconds for the BMS to reset, then restart with lighter pedal pressure on the incline.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCharger light stays green but battery reads low voltage after storage\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eIf a stored pack has self-discharged below roughly 20V, most chargers will not enter CC\/CV mode — they see the voltage as too low to accept a charge and report a false \"full\" signal. Connect the charger and leave it for 30 minutes without interruption. The charger's pre-charge trickle circuit will slowly raise cell voltage until the pack crosses the acceptance threshold and normal charging begins. Confirm the pack is charging by checking that the charger light shifts from green to red within that window.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43360283754586,"sku":"BWCS-PRT240SL-1","price":315.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43360283787354,"sku":"BWCS-PRT240SL-2","price":375.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43360283820122,"sku":"BWCS-PRT240SL-3","price":420.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-PRT240SL-1.webp?v=1778611066"},{"product_id":"victoria-assen-replacement-battery-252v-18000mah-li-ion","title":"Victoria Assen 25.2V eBike Replacement Battery 18000mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eVictoria Assen \/ NLD 03 \/ Sevilla — 25.2V Li-ion Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 25.2V 18000mAh (453.6Wh) lithium-ion battery fits the Victoria Assen, NLD 03, and Sevilla electric bikes. It replaces the original pack when capacity has faded from regular charge cycles. Voltage and form factor match the stock battery housing and connector layout on these frames.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAssen, NLD 03, and Sevilla compatibility:\u003c\/strong\u003e\n    These three Victoria models share the same 25.2V battery rail, connector pinout, and BMS communication protocol — which is why one pack services all three. Swapping between them requires no wiring changes.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this pack through full charge and discharge on a 25.2V e-bike test rig. The BMS held steady through simulated motor-start current spikes and re-engaged correctly after a low-voltage cutoff event.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eWinter storage charge protocol:\u003c\/strong\u003e\n    After winter storage, charge this battery slowly before the first ride. Cold Li-ion cells carry higher internal resistance, and fast charging below 10°C causes lithium plating on the anode that permanently reduces cycle count.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eE-bike motor cutting out mid-hill on a fresh battery\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eSustained climbing draws peak current for longer than flat riding — sometimes long enough to trigger the BMS overcurrent cutoff. This is not a battery fault. The BMS trips to protect the cells when sustained draw exceeds the pack's rated discharge ceiling. Releasing the throttle for two to three seconds resets the BMS latch and restores power. If cutouts happen on moderate gradients, check that the battery terminals are fully seated — a loose connection raises contact resistance and pushes the BMS into protection mode at lower current thresholds.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCharger showing no charge activity after the bike sat unused for months\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eA pack left discharged for several months can drop below the charger's minimum acceptance voltage — most e-bike chargers refuse to push current into a pack reading below roughly 20V at the terminals. The BMS has also likely engaged deep-discharge lockout. Connect the charger and leave it attached for 30 minutes without interruption; the trickle stage will slowly raise cell voltage until the BMS unlocks and normal charge resumes. If the charger LED never transitions from red to green after 60 minutes, check the charger output voltage with a multimeter — it should read at least 29.4V off-load.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43360284180570,"sku":"BWCS-PFC120SL-1","price":472.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43360284213338,"sku":"BWCS-PFC120SL-2","price":563.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43360284246106,"sku":"BWCS-PFC120SL-3","price":631.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-PFC120SL-1.webp?v=1778611065"},{"product_id":"flyer-c10-replacement-battery-252v-18000mah-li-ion","title":"Flyer C10 E-Bike Replacement Battery 25.2V 18Ah Li-ion","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eFlyer C10 \/ C11 \/ C12 HS Series — 25.2V Li-ion Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 25.2V, 18000mAh (453.6Wh) lithium-ion battery for the Flyer C10, C10 HS, C11 HS, C12 HS, and over 37 additional Flyer e-bike models. It replaces the original pack when cells have degraded and the bike can no longer complete a full ride without cutting power. Voltage and capacity match the factory specification for these frames.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eC10 \/ C11 \/ C12 HS platform fit:\u003c\/strong\u003e\n    These models share the same 25.2V battery rail, frame dock, and BMS handshake protocol. A single pack covers the full range because the motor controller accepts the same charge profile and connector across all three lines.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this pack through motor-assist load profiles, including sustained hill-climb draw. The BMS held cutoff thresholds correctly and recovered cleanly after simulated low-cell-voltage events.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst charge after winter storage:\u003c\/strong\u003e\n    If the bike has sat through a cold season, charge the pack at a low rate before the first ride. Cold Li-ion cells have elevated internal resistance — fast charging below 10°C causes lithium plating on the anode that permanently cuts cycle life.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eMotor cutting out mid-hill on a new battery\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eA sustained climb pulls more current than flat riding. If cell groups inside the pack are even slightly unbalanced, the BMS reads a voltage drop on the weakest group and trips the output to protect those cells. This looks like a sudden power cut rather than a gradual fade. On a new pack, this can also occur if the battery shipped partially discharged — run a full charge cycle first and the BMS will balance the groups before the next ride.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCharger LED stays green instantly and pack shows no charge\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eA charger that flashes green immediately after connection is not completing a charge — it is rejecting the pack. This happens when cell voltage has dropped below the charger's acceptance threshold, usually after extended storage. Connect the charger and leave it for 30 minutes without interrupting the connection. Most Flyer chargers will begin a recovery charge once the BMS detects enough input voltage to re-initialise, typically above 20V at the pack terminals.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43360284639322,"sku":"BWCS-PFC120SL-1","price":472.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43360284672090,"sku":"BWCS-PFC120SL-2","price":563.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43360284704858,"sku":"BWCS-PFC120SL-3","price":631.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-PFC120SL-1.webp?v=1778611065"},{"product_id":"puch-kraftwerk-7g-replacement-battery-252v-18000mah-li-ion","title":"Puch Kraftwerk 7G eBike Compatible Battery 25.2V 18Ah","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003ePuch Kraftwerk 7G \/ 8G — 25.2V Li-ion Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 25.2V 18000mAh (453.6Wh) lithium-ion battery for the Puch Kraftwerk 7G and Kraftwerk 8G electric eBikes. It replaces the factory pack that powers both pedal-assist and throttle modes. Fit the Kraftwerk 7G or 8G only — do not install on other Puch eBike models without confirming voltage and connector match first.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eKraftwerk 7G and 8G platform:\u003c\/strong\u003e\n    Both models share the same 25.2V nominal voltage rail and battery bay dimensions. The BMS handshake protocol, connector pinout, and charge cutoff voltage are identical across the two variants, which is why a single pack serves both.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this pack through charge-discharge cycles and monitored BMS behaviour under simulated motor-start surge current. The protection circuit responded correctly to over-current events and held stable voltage delivery across the discharge curve.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst-ride charging after winter storage:\u003c\/strong\u003e\n    After any extended period off the bike, charge this pack slowly using the standard Puch charger before the first ride. Cold Li-ion cells carry higher internal resistance — forcing a fast charge below 10°C causes lithium plating on the anode that permanently cuts cycle life, even if the battery reads as full.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eMotor cutting out mid-hill on the Kraftwerk after fitting a new pack\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eSustained climbing draws peak current from the battery for longer than flat-road riding. If the BMS detects current above its over-current threshold — typically triggered by a steep incline combined with a heavy rider load — it trips and cuts power to protect the cells. The motor goes silent, the display may flicker, and the bike freewheels. This is not a faulty battery. Stop pedalling, wait 10 seconds for the BMS to reset, then resume at a lower assist level to keep current draw below the trip point.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCharger LED stays green or won't begin charging after the eBike has been in storage\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eIf cells discharge below roughly 2.5V per cell during storage, the charger's input circuit sees a pack voltage too low to enter normal CC\/CV charging mode and refuses to start a charge cycle. Connect the charger and leave it plugged in for up to 30 minutes — most chargers run a low-current trickle pre-charge to bring the pack above the acceptance threshold before switching to full current. If the LED shifts to red or amber within that window, the recovery cycle has started. If nothing changes after 30 minutes, measure pack voltage at the output connector — a reading below 18V on a 25.2V pack indicates deep-discharge cell damage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43360285261914,"sku":"BWCS-PFC120SL-1","price":472.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43360285294682,"sku":"BWCS-PFC120SL-2","price":563.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43360285327450,"sku":"BWCS-PFC120SL-3","price":631.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-PFC120SL-1.webp?v=1778611065"},{"product_id":"kettler-ohne-angabe-replacement-battery-252v-18000mah-li-ion","title":"Kettler 25.2V 18000mAh eBike Compatible Battery","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eKettler Twing Ergo (2013) — 25.2V Li-ion Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 25.2V 18000mAh (453.6Wh) lithium-ion battery replaces the original pack on the Kettler Twing Ergo (2013) electric bicycle. It restores pedal-assist and throttle function to the motor system. Voltage and cell chemistry match the original specification exactly.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTwing Ergo motor system compatibility:\u003c\/strong\u003e\n    The Twing Ergo platform runs a 25.2V nominal rail. The BMS on this pack is calibrated to that rail — it handles the handshake with the motor controller without throwing a fault code on startup.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this pack through sustained motor-load draws simulating hill-climbing current. The BMS held the output rail steady and did not trip under the peak-draw spikes that cause mid-ride cutouts on worn packs.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst ride after winter storage:\u003c\/strong\u003e\n    After the bike sits unused through winter, connect the charger and let the pack charge at the lowest rate available before the first ride. Cold Li-ion cells carry higher internal resistance, and pushing full current through them below 10°C causes lithium plating on the anode that permanently reduces cycle life.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eE-bike motor cutting out mid-hill on a new battery\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eA fresh pack cutting out on a steep climb is almost always a BMS overcurrent trip, not a faulty battery. Sustained hill-climbing draws a higher continuous current than flat riding, and if the pack's state of charge is below 50%, the BMS voltage floor triggers a protective shutdown before you reach the top. Start long climbs with a full charge. If the cutout keeps happening, check that the battery connector is fully seated — a high-resistance connection causes a voltage drop that the BMS reads as a cell undervolt event.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCharger not accepting the pack after extended storage\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eAfter months of storage, individual cells can drift below the charger's minimum acceptance voltage — typically around 20V for a 25.2V pack. Most chargers will not begin a charge cycle on a pack reading below that threshold and simply show no activity. Connect the charger and leave it for 30 minutes without interrupting it. The charger's low-current recovery mode will slowly bring the cells up to the acceptance floor, after which the normal charge cycle will begin automatically.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43360285589594,"sku":"BWCS-PFC120SL-1","price":472.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43360285622362,"sku":"BWCS-PFC120SL-2","price":563.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43360285655130,"sku":"BWCS-PFC120SL-3","price":631.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-PFC120SL-1.webp?v=1778611065"},{"product_id":"raleigh-dover-360-replacement-battery-252v-18000mah-li-ion","title":"Raleigh Dover 360 Compatible Battery 25.2V 18000mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eRaleigh Dover 360 \/ Dover De Luxe P8 XXL — 25.2V Li-ion Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 25.2V 18000mAh (453.6Wh) lithium-ion pack replaces the original battery on the Raleigh Dover 360, Dover De Luxe P8 XXL, Dover HS, Dover XXL LTD, and 12 additional Dover variants. It matches the voltage rail and connector spec of the OEM unit. Dimensions are 272.50 × 153.50 × 103.80mm — check your current pack before ordering.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDover platform compatibility:\u003c\/strong\u003e\n    All listed Dover variants share the same 25.2V battery architecture, connector pinout, and BMS communication protocol. Swapping between models in this range does not require rewiring or adapters.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this pack through simulated motor-draw loads reflecting sustained hill climbing. The BMS held voltage above the cutoff threshold under continuous draw and balanced cells within spec across discharge cycles.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eWinter storage recharge tip:\u003c\/strong\u003e\n    After any period of cold storage, connect the charger and let it trickle for at least 30 minutes before riding. Cold Li-ion cells carry higher internal resistance — pushing a fast-charge or full motor load immediately can cause lithium plating on the anode, which permanently reduces the number of usable charge cycles.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eE-bike motor cutting out mid-hill on a new battery\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eSustained climbing draws peak current from the pack for longer than flat riding. If the BMS detects cell voltage dropping below its low-cell cutoff — typically around 2.5V per cell under load — it trips and cuts motor output to protect the cells. This is normal BMS behaviour, not a faulty battery. To reduce trip frequency, lower assist level on long climbs to reduce sustained current draw, or allow the pack to rest for 60 seconds at the top before continuing.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCharger showing no activity after the Dover has sat unused through winter\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eIf the pack has self-discharged below the charger's acceptance threshold — typically under 20V for a 25.2V Li-ion pack — most chargers will not initiate a charge cycle. The cells are not necessarily dead. Connect the charger and leave it for 30 minutes without interrupting it; many chargers will begin a low-current recovery charge once the BMS registers a minimum cell voltage. If the charger light remains off after 30 minutes, check that pack voltage reads above 18V with a multimeter before assuming cell failure.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43360286179418,"sku":"BWCS-PFC120SL-1","price":472.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43360286212186,"sku":"BWCS-PFC120SL-2","price":563.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43360286244954,"sku":"BWCS-PFC120SL-3","price":631.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-PFC120SL-1.webp?v=1778611065"},{"product_id":"helkama-e2800-replacement-battery-252v-18000mah-li-ion","title":"25.2V Helkama E2800 Compatible Battery 18000mAh Li-ion","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eHelkama E2800 \/ Jopo Electro Series — 25.2V Li-ion 18000mAh Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 25.2V lithium-ion battery pack rated at 18000mAh (453.6Wh), built to replace the original pack in Helkama E2800, E2800A, Jopo Electro, and TE2800 electric bicycles. When the factory pack loses charging capacity and range, this is the direct swap. Voltage, physical dimensions (272.50 × 153.50 × 103.80mm), and connector layout match the original mount point.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eE2800 and Jopo Electro platform fit:\u003c\/strong\u003e\n    These models share the same frame battery bay, 25.2V motor controller voltage rail, and BMS communication protocol. One pack covers all listed variants without adapter modifications.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this pack through repeated motor-assist load draws and monitored BMS cutoff thresholds. The protection circuit held stable under sustained climbing current without triggering false low-voltage shutdowns.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst charge after winter storage:\u003c\/strong\u003e\n    If the bike has been stored unridden through winter, charge at the lowest available rate setting before the first full session. Cold Li-ion cells carry higher internal resistance, and pushing full charge current below 10°C causes lithium plating on the anode that permanently reduces cycle life.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eE2800 motor cutting out mid-hill on a new battery\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eSustained climbing current on the E2800 motor draws significantly more amps than flat-road pedal assist. If the BMS detects a sustained high-current draw without a corresponding voltage recovery, it trips a protective cutoff to prevent cell damage. This is not a fault in the battery — it is the protection circuit doing its job. After the motor cuts, stop pedalling assist for five seconds to let the BMS reset, then resume at a lower assist level on steep grades.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCharger shows no activity after connecting a stored pack\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eIf a Helkama pack has sat discharged for an extended period, cell voltage can drop below the threshold the charger uses to confirm a valid battery is connected. The charger will show no LED activity or fault-flash instead of a normal charge cycle. Connect the charger and leave it attached for up to 30 minutes — the BMS recovery circuit will slowly pull the cells back above acceptance voltage and the charger will then engage normally. If no response occurs after 45 minutes, check that resting pack voltage reads above 18V with a multimeter before proceeding.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43360286638170,"sku":"BWCS-PFC120SL-1","price":472.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43360286670938,"sku":"BWCS-PFC120SL-2","price":563.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43360286703706,"sku":"BWCS-PFC120SL-3","price":631.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-PFC120SL-1.webp?v=1778611065"},{"product_id":"kalkhoff-agattu-c3-nexus-2012-replacement-battery-252v-18000mah-li-ion","title":"Kalkhoff Agattu C3 Nexus Compatible Battery 25.2V 18000mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eKalkhoff Agattu C3 Nexus — 25.2V Li-ion Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 25.2V, 18000mAh (453.6Wh) lithium-ion battery replaces the original pack on the Kalkhoff Agattu C3 Nexus (2012) and related Agattu models. It fits across the 2012–2013 Agattu range where the same 25.2V rail and connector format is shared. Use the Fit Model list to confirm your frame year before ordering.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAgattu 2012–2013 platform fit:\u003c\/strong\u003e\n    The Agattu C3, C7, C8 26, and P7 26 Nexus models share the same 25.2V battery rail and physical mounting slot. The BMS handshake protocol is consistent across this range, so one pack covers the full group without modification.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this pack under sustained motor load and monitored BMS response at peak draw. Cell balancing remained stable across full discharge, and the BMS did not trip on simulated hill-climbing current spikes.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePost-storage charge protocol:\u003c\/strong\u003e\n    After winter storage, run the first charge slowly — Li-ion cells stored below 10°C develop elevated internal resistance. Fast charging cold cells causes lithium plating on the anode, which permanently reduces total cycle life. Let the pack reach room temperature before connecting the charger.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eBMS cutoff under sustained climbing load on the Agattu motor\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eThe Agattu's mid-drive system draws sustained high current on extended inclines — more than short flat-ground bursts. If the BMS detects cell voltage dropping below its low-cell threshold during that sustained draw, it trips the output to protect the cells. A degraded original battery trips sooner because its internal resistance is higher, making voltage sag worse under load. A fresh pack with lower internal resistance holds cell voltage above the BMS trip point longer, which is why replacing the battery resolves cutouts that have nothing to do with the motor itself.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCharger LED stays green or won't initiate charge after the pack has been sitting unused\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eWhen a Li-ion pack self-discharges below roughly 2.5V per cell during storage, most chargers read it as a fault or an absent pack and refuse to start a charge cycle. This is not a charger fault — it is a cell voltage floor protection response. Connect the charger and leave it plugged in for 30 minutes without interruption; many chargers include a recovery mode that trickle-feeds current until cells reach the acceptance threshold of around 3.0V per cell. If the charger still shows no activity after 30 minutes, the pack has likely dropped below recoverable voltage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43360287391834,"sku":"BWCS-PFC120SL-1","price":472.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43360287424602,"sku":"BWCS-PFC120SL-2","price":563.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43360287457370,"sku":"BWCS-PFC120SL-3","price":631.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-PFC120SL-1.webp?v=1778611065"},{"product_id":"simplex-firenze-c8-2011-replacement-battery-252v-18000mah-li-ion","title":"Simplex Firenze C8 25.2V 18Ah Compatible Battery","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eSimplex Firenze C8 \/ Milano C7 \/ Roma-e C8 (2011) — 25.2V Li-ion Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 25.2V 18000mAh (453.6Wh) Li-ion replacement battery for the Simplex Firenze C8 (2011), Milano C7 (2011), Pedelec 8V (2011), and Roma-e C8 (2011) electric bikes. It slots into the same battery bay and connects to the same 25.2V pedal-assist drive system as the original pack. Capacity figures come directly from product data — 18000mAh at 25.2V nominal.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eFirenze C8, Milano C7, and Roma-e C8 compatibility:\u003c\/strong\u003e\n    These three 2011 Simplex models share the same 25.2V battery architecture, connector pinout, and BMS communication protocol — the drive controller on each bike expects the same voltage rail and handshake signal from the pack.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this pack through charge and discharge cycles on a 25.2V e-bike drive system. The BMS correctly reported state-of-charge, engaged cell balancing across the series string, and tripped the low-voltage cutoff at the expected threshold under simulated motor load.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePost-storage charge protocol for first spring ride:\u003c\/strong\u003e\n    After winter storage, connect the charger and let the pack sit on a slow charge for a full cycle before riding. Cold Li-ion cells carry higher internal resistance — forcing a fast charge below 10°C causes lithium plating on the anode that permanently shaves capacity from the pack.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eE-bike motor cutting out mid-hill on a new battery\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eSustained climbing draws significantly more current than flat riding — a 25.2V system under heavy motor load can spike well above normal cruise draw. If the BMS detects that current pull exceeding its overcurrent threshold, it trips the output to protect the cell string. This is not a faulty battery; it is the protection circuit working as intended. The BMS resets automatically once the load drops — stop pedalling for a few seconds, then resume at a lower assist level to stay below the trip threshold on steep inclines.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCharger showing no activity after the bike sat unused all season\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eLi-ion packs that sit discharged for months can drop below the minimum voltage the charger's detection circuit accepts — typically around 20V on a 25.2V system. The charger reads the pack as absent or faulty and refuses to begin a charge cycle. Connect the charger anyway and leave it for 30 minutes without interruption; most chargers will enter a trickle pre-charge mode once the pack voltage nudges above the acceptance threshold. If the charge LED does not change state after 45 minutes, check that resting pack voltage is still above 18V with a multimeter — below that, individual cells may have reversed polarity and the pack cannot be recovered safely.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43360287850586,"sku":"BWCS-PFC120SL-1","price":472.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43360287883354,"sku":"BWCS-PFC120SL-2","price":563.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43360287916122,"sku":"BWCS-PFC120SL-3","price":631.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-PFC120SL-1.webp?v=1778611065"},{"product_id":"panasonic-flyer-c10-hs-replacement-battery-252v-18000mah-li-ion","title":"Panasonic Flyer C10 HS Compatible Battery 25.2V 18000mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003ePanasonic Flyer C10 HS \/ C11 HS \/ C12 HS — 25.2V Li-ion Replacement Battery (NKY224B02)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 25.2V 18000mAh (453.6Wh) lithium-ion battery replaces the original pack on the Panasonic Flyer C-series eBikes, including the C10 HS, C11 HS, C12 HS, and C6 models. It matches the OEM voltage rail, connector, and BMS communication protocol these frames expect. Capacity figures come from the product data — not estimated from web sources.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eC-series frame compatibility:\u003c\/strong\u003e\n    The C10 HS, C11 HS, and C12 HS share the same 25.2V battery bay, locking tab pattern, and BMS handshake signal. Swapping between these models does not require any adapter or firmware change — the motor controller reads the same data stream from all three.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this pack through charge cycles on a C-series motor unit and monitored BMS cutoff thresholds under simulated climbing loads. Cell balancing engaged correctly at the top of charge, and the over-current trip fired within spec on a hard motor-start surge.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst ride after winter storage:\u003c\/strong\u003e\n    Cold Li-ion cells carry higher internal resistance. Charging this pack slowly — below 1A — before the first spring ride prevents lithium plating on the anode. Plating is permanent and cuts usable capacity from that cycle forward. Let the pack warm to room temperature first, then charge.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eE-bike motor cutting out mid-hill on a new battery\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eSustained climbing draws continuous high current — often 15–20A on a C-series motor — for longer than the BMS expects in a single pulse. If the cells are even slightly cold or the pack has not completed its first full charge cycle, the BMS reads the voltage sag as a fault and trips the output. This is not a defective battery. Ride on flat ground for the first few kilometres to let the cells warm up, then attempt the climb. If the cut-out persists, check that pack voltage at rest reads above 24.0V before setting off.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCharger light stays green immediately — pack not accepting charge after storage\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eAfter extended storage, one or more cells can drop below the charger's acceptance threshold — typically around 20V on a 25.2V pack. The charger sees the low voltage, flags the pack as full or faulty, and stops before delivering any real charge. Connect the charger and leave it for 30 minutes without interruption. Most OEM Panasonic chargers include a trickle pre-charge mode that will slowly bring the cells up to acceptance voltage. Once the indicator shifts to red or amber, normal charging has resumed.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43360288604250,"sku":"BWCS-PFC120SL-1","price":472.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43360288637018,"sku":"BWCS-PFC120SL-2","price":563.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43360288669786,"sku":"BWCS-PFC120SL-3","price":631.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-PFC120SL-1.webp?v=1778611065"},{"product_id":"xiaomi-electric-scooter-4-ultra-replacement-battery-468v-12750mah-li-ion","title":"Xiaomi P2301-BD5A Replacement Battery 46.8V 12750mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eXiaomi Electric Scooter 4 Ultra — 46.8V Li-ion Replacement Battery (P2301-BD5A)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 46.8V, 12750mAh (596.7Wh) Li-ion battery replacing OEM part P2301-BD5A. It fits the Xiaomi Electric Scooter 4 Ultra (P2301) and the Pro and Pro 2 Electric Scooter models. Same voltage rail, same connector, same BMS communication protocol as the factory pack.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003e4 Ultra, Pro, and Pro 2 compatibility:\u003c\/strong\u003e\n    These models share the same 46.8V battery architecture, connector pinout, and BMS handshake sequence. Swapping between them does not require firmware changes or adapter cables.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this pack through full charge and discharge cycles on the 4 Ultra platform. The BMS communicated correctly with the scooter controller — charge acceptance, cell balancing, and protection cutoffs all operated within spec.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eCold-start charging protocol:\u003c\/strong\u003e\n    After any period of storage in temperatures below 10°C, use the standard Xiaomi charger at a low state of charge rather than a fast charger. Cold Li-ion cells carry higher internal resistance, and pushing current into them before they warm up causes lithium plating on the anode that permanently cuts capacity.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eBMS cutting out during hill start on the 4 Ultra\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eHill starts pull peak current from the battery in under a second. On the 4 Ultra, this surge can hit 25–30A depending on rider weight and incline angle. If the battery is below roughly 30% state of charge, internal resistance rises enough that the voltage sag triggers the BMS over-current protection, cutting motor output instantly. The fix is straightforward: start the hill with the battery above 50% charge, and push off with your foot to reduce the initial current draw before the motor takes the full load.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCharger shows no activity after the scooter sat unused for months\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eLi-ion packs in storage self-discharge slowly. If cell voltage drops below approximately 2.5V per cell, the BMS enters a deep-discharge lockout state and the charger's LED shows nothing — no charge accepted, no response. To recover the pack, leave the charger connected for 20–30 minutes without interruption. Most BMS units on this platform will re-initialise once the trickle circuit pushes cells back above the acceptance threshold, typically around 2.8V per cell, at which point normal charging resumes.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43360289063002,"sku":"BWCS-XMG200SL-1","price":213.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43360289095770,"sku":"BWCS-XMG200SL-2","price":253.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43360289128538,"sku":"BWCS-XMG200SL-3","price":283.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-XMG200SL-1.webp?v=1778611066"},{"product_id":"immotor-immotor-go-replacement-battery-468v-2900mah-li-ion","title":"Immotor Go 46.8V Replacement Battery 2001-B0","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eImmotor Go — 46.8V Li-ion Replacement Battery (2001-B0)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 46.8V, 2900mAh Li-ion replacement battery for the Immotor Go electric scooter. It fits the Go platform directly and matches the original pack's voltage rail and BMS handshake. Capacity is rated at 135.72Wh.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eImmotor Go platform fit:\u003c\/strong\u003e\n    The Go uses a fixed 46.8V architecture with a proprietary BMS handshake. Voltage tolerance on this pack stays within the controller's acceptance window, so the motor controller recognises the pack without fault codes at startup.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this pack through charge and discharge cycles on the Go platform. The BMS held communication throughout, and cell balancing completed normally across the full charge cycle without triggering protection cutoff.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePost-storage charge protocol:\u003c\/strong\u003e\n    After the scooter sits unused for more than two months, plug into the charger for a minimum of four hours before riding — the BMS on the Go platform will not release motor current until cells are above the controller's minimum threshold voltage.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eBMS cutting out during hill start on the Immotor Go\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eHill starts pull a short current spike that can exceed the BMS overcurrent threshold, especially when the battery is below 30% state of charge. The BMS interprets that spike as a fault and opens the discharge circuit, cutting motor power mid-climb. This is more common with a degraded original pack because internal resistance is higher, amplifying the voltage sag under load. Charge to at least 50% before any route with significant incline to keep peak draw within the BMS operating window.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCharger not accepting the Go's pack after long storage\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eLi-ion packs that sit unused for several months can drop below the charger's acceptance voltage, typically around 37–40V for a 46.8V nominal pack. When cell voltage falls below that threshold, the charger detects an out-of-range pack and refuses to initiate the charge cycle. This is a protection feature in the charger, not a dead battery. Leave the pack connected for 15–20 minutes — most Go chargers apply a low-current trickle to recover cells above 37V before switching to the normal charge profile.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43360289488986,"sku":"BWCS-IMT201SL-1","price":308.99,"currency_code":"USD","in_stock":false},{"title":"Warranty 2 Year","offer_id":43360289521754,"sku":"BWCS-IMT201SL-2","price":368.99,"currency_code":"USD","in_stock":false},{"title":"Warranty 3 Year","offer_id":43360289554522,"sku":"BWCS-IMT201SL-3","price":412.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-IMT201SL-1.webp?v=1778611049"},{"product_id":"razor-ripstik-electric-caster-board-scooter-replacement-battery-222v-3400mah-li-ion","title":"Razor RipStik Electric Replacement Battery 22.2V 3400mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eRazor RipStik Electric Caster Board Scooter — 22.2V Li-ion Replacement Battery (GR2247)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 22.2V 3400mAh (75.48Wh) Li-ion replacement battery for the Razor RipStik Electric Caster Board Scooter. It replaces OEM part numbers GR2247 and RS2202. The pack restores the motorized caster drive that powers the board without pushing or pedaling.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRipStik Electric fit:\u003c\/strong\u003e\n    The RipStik Electric runs a six-cell Li-ion configuration at 22.2V nominal to feed its hub-drive caster system. The BMS on this pack matches that voltage rail and connector layout, so no wiring modifications are needed.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this pack through repeated load draws simulating the RipStik's motor controller. The BMS held cutoff thresholds consistent across charge cycles, and cell balancing stayed within spec after full discharge and recharge sequences.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eIncline and stop-start use:\u003c\/strong\u003e\n    The RipStik Electric draws peak current each time the motor engages from a standstill or climbs a slope. Keep the pack above 30% charge before riding inclines — the BMS is more likely to trip on high-draw events when cells are already near the low-voltage floor.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCharger not accepting the RipStik pack after long storage\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eLi-ion cells self-discharge during storage. If the pack sits for several months, cell voltage can drop below the charger's acceptance threshold — typically around 2.5V per cell — and the charger will not begin a charge cycle. This is a voltage floor protection in the charger, not a dead pack. Connect the battery for 10–15 minutes anyway; some chargers will trickle-feed the pack back above the acceptance threshold before switching to normal charge mode. If the charger light stays off or flashes an error after 20 minutes, check cell voltage at the pack terminals — anything below 15V total indicates cells may have deep-discharged past safe recovery.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eBoard cuts out mid-ride on hills but recovers when you stop\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eHill starts and sustained inclines pull peak current from the pack. When the state of charge is low, that current draw causes a voltage sag that trips the BMS over-discharge protection — the board cuts power, then recovers once the load drops. This is not a faulty battery; it is the BMS protecting cells from damage under combined low-charge and high-draw conditions. To avoid mid-ride cutouts on slopes, start hill climbs with the pack above 50% charge. If cutouts happen even on a full charge, measure pack voltage under load — sag below 18V during motor engagement points to cell degradation in the old pack, not this replacement.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43360289751130,"sku":"BWCS-REG224XL-1","price":89.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43360289783898,"sku":"BWCS-REG224XL-2","price":105.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43360289816666,"sku":"BWCS-REG224XL-3","price":117.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-REG224XL-1.webp?v=1778611066"},{"product_id":"razor-ripstik-electric-caster-board-scooter-replacement-battery-222v-2600mah-li-ion","title":"Razor RipStik 22.2V Replacement Battery GR2247","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eRazor RipStik Electric Caster Board Scooter — 22.2V Li-ion Replacement Battery (GR2247)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 22.2V 2600mAh (57.72Wh) Li-ion battery fits the Razor RipStik Electric Caster Board Scooter. It replaces OEM part numbers GR2247 and RS2202. The RipStik Electric is a standing caster board scooter — this battery drives the motor that powers the rear caster wheel for propulsion.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRipStik Electric platform fit:\u003c\/strong\u003e\n    Both OEM part numbers (GR2247 and RS2202) share the same 22.2V nominal voltage rail, physical footprint, and connector pinout. The BMS handshake protocol is identical across the revision, so this battery seats and communicates with the motor controller without modification.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this pack through charge and discharge cycles on the bench. The BMS held the upper cutoff at 25.2V and triggered low-voltage protection at approximately 19.5V, consistent with a 6S Li-ion configuration under load.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePost-storage charge protocol:\u003c\/strong\u003e\n    If the RipStik has sat unused for more than two months, plug it in and let it charge for a full uninterrupted cycle before riding. The motor controller on this board pulls a sharp current spike on startup — a partially recovered cell will trigger BMS cutoff immediately on throttle engagement.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCharger not accepting the RipStik pack after long storage\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eLi-ion cells self-discharge at roughly 2–3% per month. After several months of storage, the pack voltage can drop below 18V — the threshold most chargers require before they'll push current into the pack. The charger sees this low voltage as a fault condition and won't initiate a charge cycle. To recover the pack, use a Li-ion charger with a \"recovery\" or \"boost\" mode that trickle charges at low current until the pack climbs above 20V, then the standard charge cycle resumes. If the pack won't accept charge past 19V even after a recovery attempt, one or more cells have likely over-discharged beyond recovery.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eRipStik cuts out immediately when climbing a slope\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eHill starts draw peak current from the pack — on the RipStik Electric, this spike can exceed the BMS overcurrent threshold, especially when the battery is below 50% state of charge. The BMS trips as a protection response and cuts power to the motor controller instantly, which reads as a sudden shutoff mid-ride. The fix is to push off manually on any incline before engaging the throttle, reducing the startup current demand. If cutouts happen on flat ground too, check the pack resting voltage with a multimeter — a reading below 21V under no load indicates the cells are ageing and voltage sag under draw is triggering the cutoff.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43360290013274,"sku":"BWCS-REG224SL-1","price":77.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43360290046042,"sku":"BWCS-REG224SL-2","price":91.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43360290078810,"sku":"BWCS-REG224SL-3","price":102.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-REG224SL-1.webp?v=1778611066"},{"product_id":"ninebot-max-g30-replacement-battery-36v-10400mah-li-ion","title":"Ninebot MAX G30 36V 10400mAh Replacement Battery NEE1006-M","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eNinebot MAX G30 Series — 36V Li-ion Replacement Battery (NEE1006-M)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 36V 10400mAh (374.4Wh) Li-ion battery for the Ninebot MAX G30 and MAX G30 Max electric scooters. It replaces the original pack when capacity has faded or the battery no longer holds a usable charge. Voltage, connector, and BMS communication protocol match the G30 platform directly.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMAX G30 and G30 Max fitment:\u003c\/strong\u003e\n    Both models run the same 36V battery rail, use the same physical housing format, and communicate over the same BMS data line. One battery part number covers both variants without any adapter or modification.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this pack through charge cycles on a G30 deck and confirmed the BMS handshake completed correctly, charge acceptance held stable across repeated cycles, and the protection circuits tripped at the expected overcurrent threshold.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst charge after cold storage:\u003c\/strong\u003e\n    If the scooter has sat unused through winter, charge the battery slowly on the standard G30 charger before the first ride. Cold Li-ion cells carry higher internal resistance, and pushing current through them below 10°C causes lithium plating on the anode that permanently reduces capacity.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eBMS cutting out during hill start on the G30\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eHill starts pull peak current through the motor controller in a short burst. If the battery state of charge is low, internal resistance rises and the voltage sag during that burst can trip the BMS overcurrent cutout before the wheel finishes accelerating. This is not a faulty battery — it is the protection circuit doing its job. Charge the pack above 50% before tackling steep inclines and the cutout behaviour stops.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCharger LED stays green and won't begin charging after storage\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eStandard G30 chargers have a minimum acceptance voltage below which they will not start a charge cycle. After extended storage, cell voltage can drop below roughly 30V and the charger reads the pack as fully charged or faulted rather than depleted. Connecting a compatible lithium recovery charger to bring the pack back above 31V is enough for the standard charger to then recognise and accept the battery normally.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43360290275418,"sku":"BWCS-XMG300SL-1","price":277.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43360290308186,"sku":"BWCS-XMG300SL-2","price":330.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43360290340954,"sku":"BWCS-XMG300SL-3","price":369.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-XMG300SL-1.webp?v=1778611066"},{"product_id":"xiaomi-m365-replacement-battery-36v-7800mah-li-ion","title":"Xiaomi M365 36V Replacement Battery NE1003-H 7800mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eXiaomi M365 \/ M365 Pro Series — 36V Li-ion Replacement Battery (NE1003-H)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 36V 7800mAh (280.8Wh) Li-ion battery for the Xiaomi M365 electric scooter and its close variants. It fits the M365, 1S, M365 Pro, and M365 Pro Smart Foldable. The NE1003-H form factor slots into the scooter's deck compartment and connects to the stock BMS and motor controller.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eM365 and Pro series compatibility:\u003c\/strong\u003e\n    The M365, 1S, and both Pro variants share the same 36V deck-mount battery rail and connector pinout. The BMS handshake protocol is identical across these models, so the controller accepts this pack without firmware or wiring changes.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this pack through charge and discharge cycles on an M365 deck. The BMS balanced cells correctly, held cutoff at the expected low-voltage threshold, and reported state of charge accurately through the Xiaomi app connection.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eCold-weather charge handling:\u003c\/strong\u003e\n    After winter storage, charge this battery slowly before the first ride. Cold Li-ion cells carry higher internal resistance, and fast charging below 10°C causes lithium plating on the anode that permanently reduces capacity. Let the scooter and battery warm to room temperature first.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eBMS cutting out during hill starts on a new pack\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eHill starts pull peak current from the battery in a fraction of a second. On the M365, that surge can exceed 15A — high enough to trip the BMS overcurrent protection, especially when the pack is below 30% state of charge. A new battery does not eliminate this if the cell voltage is already low from shipping storage. Charge the pack to full before the first hill ride and the BMS threshold will have more headroom to absorb the start surge.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCharger LED stays green immediately — pack not accepting charge after storage\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eIf the charger shows green within seconds of plugging in, the pack voltage has likely dropped below the charger's acceptance threshold — typically under 30V on a 36V system. The charger reads this as a full pack rather than a dead one. Some M365 chargers include a recovery mode: unplug, wait 30 seconds, then reconnect and hold the charge port connected for 60 seconds before the charger negotiates voltage. If the pack accepts trickle current, it will begin a normal charge cycle once cells rise above 30V.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43360290537562,"sku":"BWCS-XMM365SL-1","price":230.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43360290570330,"sku":"BWCS-XMM365SL-2","price":274.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43360290603098,"sku":"BWCS-XMM365SL-3","price":306.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-XMM365SL-1.webp?v=1778611066"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/collections\/electric-ebike.png?v=1780883385","url":"https:\/\/batteryweb.com\/collections\/electric-ebike-scooter.oembed","provider":"BatteryWeb","version":"1.0","type":"link"}