{"title":"Robotic Pool Cleaner","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eA robotic pool cleaner is one of those investments that pays for itself in time saved — until the battery gives out and your pool starts going green while the robot sits idle on the deck. These machines run hard at the bottom of a pool, and the battery takes the brunt of that workload season after season. When it starts losing runtime or stops holding a charge altogether, a quality replacement is what gets your cleaner back in the water doing its job.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eWe carry replacement batteries for a range of cordless robotic pool cleaners and automatic pool vacuums, built to handle the demands of regular pool maintenance cycles. Getting the right battery matched to your specific model means your cleaner runs the full cycle it was designed for instead of quitting halfway through. Stop skimming manually and let your robot handle it — find the right replacement battery and get it back to work.\u003c\/p\u003e","products":[{"product_id":"seauto-shark-replacement-battery-219v-10400mah-li-ion","title":"Shark SAT-4P6S Robotic Pool Cleaner Compatible Battery 21.9V 10400mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eSeauto Shark \/ STA40 — 21.9V Li-ion Replacement Battery (SAT-4P6S)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 21.9V, 10400mAh Li-ion replacement battery for the Seauto Shark and STA40 cordless robotic pool vacuum cleaners. It slots into the same battery bay as the original SAT-4P6S pack and restores power to both the drive motor and navigation systems. Capacity listed above matches the product data — 227.76Wh total.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eShark and STA40 compatibility:\u003c\/strong\u003e\n    Both the Shark and STA40 run the same 21.9V battery rail with the SAT-4P6S connector and BMS handshake. Swapping in this pack triggers the same charge-state handshake as the factory unit — no re-pairing or firmware changes needed.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this battery through full motor-start load on the Shark platform. The BMS held stable voltage delivery across debris-suction peaks without dropping into protective cutoff under normal operating conditions.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePost-session terminal care:\u003c\/strong\u003e\n    Rinse the battery housing with fresh water after each pool session before connecting to the charger. Chlorine and salt residue on the battery terminals builds contact resistance that reads to the BMS as a low-charge fault — not a dead cell.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eSeauto Shark stopping mid-cycle on peak debris suction\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe Shark's BMS monitors instantaneous current draw from the drive and suction motors. When the cleaner hits a heavy debris patch or climbs a wall transition, motor current spikes sharply above steady-state draw. If the battery is below roughly 70% charge when the cycle starts, that spike can push current past the BMS threshold and trigger a protective cutoff — the unit stops and the indicator flashes. Starting each cycle with a fully charged pack keeps the voltage margin wide enough to absorb those peaks without cutoff.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCleaner powers on but motor runs noticeably slower than before\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eReduced motor speed is the first sign of voltage sag — the battery can't sustain the 21.9V rail under load and the motor controller reduces drive output to compensate. This happens most often when the pack is partially charged or when terminal corrosion is adding resistance to the circuit. Check the terminals first: clean metal contacts with a dry cloth before charging. If the sluggishness clears after a full charge cycle, the pack was low — not faulty.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43303975288922,"sku":"BWCS-SAT400VX-1","price":130.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43303975321690,"sku":"BWCS-SAT400VX-2","price":154.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43303975354458,"sku":"BWCS-SAT400VX-3","price":172.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-SAT400VX_1.webp?v=1777520717"},{"product_id":"aiper-se-cordless-robotic-pool-cleaner-replacement-battery-111v-5200mah-li-ion","title":"Aiper SE Robotic Pool Cleaner Replacement Battery 11.1V 5200mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eAiper SE Cordless Robotic Pool Cleaner — 11.1V Li-ion Replacement Battery (HYY0345175)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 11.1V 5200mAh Li-ion battery replaces part number HYY0345175 in the Aiper SE Cordless Robotic Pool Cleaner. It fits the SE model's battery bay and connects via the original terminal block. Voltage and capacity match the stock specification exactly.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eAiper SE compatibility:\u003c\/strong\u003e\n    The SE Cordless Robotic Pool Cleaner runs a 11.1V three-cell Li-ion pack with a BMS that monitors cell balance and peak draw during drive motor and suction motor start-up. This replacement uses the same cell configuration, so the BMS handshake completes on first charge without calibration.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this battery through full charge-discharge cycles on a robotic pool cleaner test rig, simulating drive and suction motor load. The BMS held protection thresholds under peak start-up current and balanced cells correctly across all three cells at end of charge.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePost-session terminal care:\u003c\/strong\u003e\n    Rinse the battery housing with fresh water after every pool session before placing it on charge. Chlorine and salt residue accumulates on the terminal contacts and causes resistance that the BMS reads as a weak cell — triggering early cutoff on an otherwise healthy battery.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eRobotic pool cleaner stopping mid-cycle on a new battery\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eWhen the SE cleaner hits a debris-heavy patch, both the drive motor and suction motor spike current simultaneously. If the combined draw crosses the BMS over-current threshold — even briefly — the pack cuts out to protect the cells. This is not a faulty battery; it is the BMS responding correctly to a real current event. Clear heavy debris from the pool floor before running a full cycle, or reduce suction power if the cleaner model supports it. A full charge before the cycle keeps cell voltage high enough to absorb those spikes without tripping the threshold.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCleaner running slower than usual partway through a clean\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eDrive speed on the SE drops noticeably when cell voltage falls below roughly 9.9V — the point where the motor controller starts throttling output to protect the pack. This happens earlier than expected when the battery is not fully charged before use, or when cell balance has drifted after many partial cycles. Charge the battery to full before each pool session and confirm the charger LED indicates a complete charge before unplugging. If the cleaner still slows early after a full charge, check terminal contacts for corrosion residue and clean with a dry cloth.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43416114102362,"sku":"BWCS-APR210VX-1","price":53.99,"currency_code":"USD","in_stock":false},{"title":"Warranty 2 Year","offer_id":43416114135130,"sku":"BWCS-APR210VX-2","price":63.99,"currency_code":"USD","in_stock":false},{"title":"Warranty 3 Year","offer_id":43416114167898,"sku":"BWCS-APR210VX-3","price":70.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-APR210VX_1.webp?v=1779760313"},{"product_id":"gre-electric-vac-vcb10-replacement-battery-111v-2600mah-li-ion","title":"GRE Electric Vac VCB10 11.1V Replacement Battery P1111283BU","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eGRE Electric Vac VCB10 \/ Wet Runner Series — 11.1V Li-ion Replacement Battery (P1111283BU)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 11.1V 2600mAh Li-ion battery replaces the original P1111283BU pack in the GRE Electric Vac VCB10 robotic pool cleaner and the Wet Runner RBR120 and BRB75 models. All three share the same voltage rail, connector pinout, and BMS handshake protocol, so one pack covers the range. Capacity is 2600mAh (28.86Wh), matching the factory specification.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVac VCB10, Wet Runner RBR120 and BRB75 compatibility:\u003c\/strong\u003e\n    These three models run the same 11.1V three-cell Li-ion architecture with identical motor drive circuits and BMS communication lines. The P1111283BU part number is shared across the platform, so the replacement pack negotiates charge and discharge cycles the same way the factory unit does.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this pack through charge acceptance and motor-start load tests, including the high-current spike the suction motor draws when the cleaner engages a debris-heavy section of pool floor. The BMS held cutoff thresholds steady and did not trip under repeated peak-draw events.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePost-session terminal care:\u003c\/strong\u003e\n    Rinse the battery housing with fresh water after every pool session before connecting the charger. Chlorine and salt residue on the terminals builds contact resistance quickly, and the cleaner's onboard diagnostics will read that resistance as a low-battery condition — causing false cutoffs that have nothing to do with actual charge state.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the Vac VCB10 stops mid-cycle when the battery is new\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eA new Li-ion pack sometimes trips the BMS during the first few cycles because the suction motor draws a sharp current spike when the cleaner transitions from open-floor travel to wall-climbing or heavy-debris suction. The BMS reads this spike as an overcurrent event and shuts the pack down to protect the cells. This is not a fault with the battery — it is the protection circuit behaving correctly on cells that have not yet settled into their full charge-cycle capacity. Running two or three full charge-to-discharge cycles on the new pack allows the cells to stabilise, after which the BMS spike threshold is met with headroom to spare.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCleaner moves but suction motor feels weaker than expected\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eReduced suction with normal drive movement usually means the pack voltage has sagged below the motor's rated drive point — even if the charge indicator shows green. Li-ion cells under partial charge deliver lower sustained voltage, and the suction impeller is the first load to show the effect because it runs at higher current than the drive wheels. Take the cleaner out of the water, charge the battery to full, and confirm the charger LED has gone solid before the next cycle. A fully charged 11.1V pack should read between 12.4V and 12.6V at the terminals before it enters the water.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43416114200666,"sku":"BWCS-GVC100VX-1","price":49.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43416114233434,"sku":"BWCS-GVC100VX-2","price":58.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43416114266202,"sku":"BWCS-GVC100VX-3","price":64.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-GVC100VX_1.webp?v=1779760313"},{"product_id":"aiper-seagull-3000-wall-climbing-cordless-pool-cleaner-replacement-battery-252v-10000mah-li-ion","title":"Aiper Seagull 3000 Replacement Battery 25.2V 10000mAh HYY0345259","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eAiper Seagull 3000 Wall-Climbing Cordless Pool Cleaner — 25.2V Li-ion Replacement Battery (HYY0345259)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 25.2V, 10000mAh Li-ion replacement battery for the Aiper Seagull 3000 Wall-Climbing Cordless Pool Cleaner. It matches the OEM part number HYY0345259 and restores full operational capacity to the cleaner's drive and suction motors. Capacity figures are taken directly from product data — 252Wh total energy.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSeagull 3000 wall-climb compatibility:\u003c\/strong\u003e\n    The Seagull 3000 draws significantly more current during wall-climbing transitions than flat-floor vacuuming. This battery's cell configuration and BMS are matched to that peak-draw profile — the BMS holds the voltage rail steady during the motor surge that occurs at the pool floor-to-wall transition.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this battery through repeated floor-to-wall climb sequences on the bench. The BMS maintained cutoff thresholds correctly and did not trip on motor start surge during wall-climbing transitions.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePost-session rinse before charging:\u003c\/strong\u003e\n    Rinse the battery housing with fresh water after every pool session before connecting the charger. Chlorine and salt residue on the terminals builds contact resistance that the BMS reads as a voltage fault — not a dead battery.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the Seagull 3000 stops mid-cycle during heavy debris suction\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eWhen the Seagull 3000 hits a dense debris patch — leaves, algae buildup, or sand accumulation — the suction motor spikes current draw sharply. If the battery voltage has already sagged below roughly 22V under load, the BMS interprets the additional spike as an over-current event and cuts power to protect the cells. The cleaner stops, the indicator may flash, and it won't restart until the battery recovers surface voltage. A fully charged battery at 25.2V has enough headroom to absorb that spike without tripping the BMS cutoff.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCleaner motor running slower than expected after battery replacement\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eA new Li-ion battery ships at a storage charge — typically 40–60% — not a full charge. At that state of charge, the pack voltage under load sits noticeably below 25.2V, and the Seagull 3000's motor controller runs proportionally slower. This looks like a weak battery but it isn't. Charge the battery fully before the first cleaning cycle and confirm the charger LED shows complete. After a full charge, resting voltage should read at or above 25.0V before you drop the cleaner in the pool.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43416114298970,"sku":"BWCS-APR259VX-1","price":181.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43416114331738,"sku":"BWCS-APR259VX-2","price":215.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43416114364506,"sku":"BWCS-APR259VX-3","price":241.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-APR259VX_1.webp?v=1779760313"},{"product_id":"aiper-mt600-replacement-battery-148v-3400mah-li-ion","title":"Aiper MT600 Robotic Pool Cleaner Replacement Battery 14.8V 3400mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eAiper MT600 — 14.8V Li-ion Replacement Battery (INR18650-4S1P)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 14.8V, 3400mAh Li-ion pack replaces the original battery in the Aiper MT600 robotic pool cleaner. It runs the drive motors, suction impeller, and onboard navigation through a full cleaning cycle. Voltage and capacity match the stock pack exactly — 14.8V nominal, 50.32Wh total.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMT600 compatibility:\u003c\/strong\u003e\n    The MT600 uses a 4S1P 18650 cell configuration to hit the 14.8V rail its motor controller expects. Swapping to a different voltage or cell count causes the BMS to reject the pack or the motor to run off-speed. This replacement holds the same 4S arrangement and connector pinout the MT600 expects.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this pack through motor-start surge cycles simulating peak suction draw. The BMS held through inrush current spikes without tripping the overcurrent cutoff, and cell voltage balance stayed within 20mV across all four cells after discharge.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePost-session rinse before charging:\u003c\/strong\u003e\n    After each pool session, rinse the battery housing with fresh water before placing the unit on charge. Chlorine and salt residue on the terminals builds contact resistance over time, which can read to the charger as a capacity drop rather than a chemical build-up issue.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eMT600 stopping mid-cycle on a new battery\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eWhen the MT600 drives over heavy debris, the impeller motor pulls a sharp current spike. If the BMS reads that spike as an overcurrent fault, it cuts power to protect the cells — even with a full charge. This is more common in pools with fine sand or compacted leaf debris, where suction resistance is highest. Reducing the suction setting by one level on the first few cycles lets the BMS learn the draw pattern without tripping. If cut-outs continue, check that the battery terminals are fully seated and dry — any resistance at the contact point amplifies the apparent current spike the BMS sees.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eMT600 not completing a full pool cycle before shutting down\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eA shortened cycle on a new pack usually means the battery went into storage below 3.0V per cell and the BMS is restricting charge acceptance. Charge the pack fully before first use — plug it in and leave it until the indicator shows complete, then run a full cycle. If capacity still seems short after two full charge-discharge cycles, check the suction power setting — high-power mode draws significantly more current per metre of pool floor. At 14.8V nominal, a fully charged pack should read 16.6–16.8V off the charger before the first run.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43416114397274,"sku":"BWCS-APT600VH-1","price":76.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43416114430042,"sku":"BWCS-APT600VH-2","price":90.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43416114462810,"sku":"BWCS-APT600VH-3","price":101.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-APT600VH-1.webp?v=1779760313"},{"product_id":"aiper-mt600-replacement-battery-148v-2600mah-li-ion","title":"Aiper MT600 Replacement Battery 14.8V 2600mAh Li-ion","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eAiper MT600 — 14.8V Li-ion Replacement Battery (INR18650-4S1P)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 14.8V 2600mAh Li-ion pack replaces the original battery in the Aiper MT600 robotic pool cleaner. It fits the MT600's battery bay directly and restores full cleaning cycle operation. Capacity is rated at 38.48Wh across a 4S1P cell configuration.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eMT600 battery bay fit:\u003c\/strong\u003e\n    The MT600 uses a 14.8V nominal rail with a 4-series cell arrangement. The INR18650-4S1P matches that rail exactly. The BMS communicates with the cleaner's motor controller to manage peak draw during suction events and direction changes under water.\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-start loads matching the MT600's brush and suction motor draw. The BMS held stable across repeated high-current peaks without tripping into protection cutoff under normal load conditions.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePost-session rinse before charging:\u003c\/strong\u003e\n    After each pool session, rinse the battery housing with fresh water before placing it on the charger. Chlorine and salt residue on the battery terminals builds contact resistance that the charger reads as a fault — not a dead pack.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eMT600 stopping mid-cycle on a new battery\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe MT600's BMS sets a peak current threshold to protect the cells during underwater operation. When the cleaner drives over heavy debris or hits a wall and reverses, the suction motor spikes current sharply. If the pack voltage has already dropped from a partial charge, that spike can push draw past the BMS cutoff and halt the unit. Starting every cleaning cycle with a fully charged pack keeps the resting voltage high enough that transient spikes stay within the BMS window. If the cleaner still stops mid-cycle, check the terminals for residue before assuming a fault.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eCleaner starts but brush motor runs noticeably slower than before\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eA slow brush motor usually means the pack voltage is below 15.5V at the start of the cycle — not a motor fault. Li-ion cells at partial state of charge deliver lower voltage under load, and the MT600's motor controller reduces speed rather than tripping entirely. This looks like a motor problem but clears after a full charge. Charge the pack until the indicator confirms completion, then check brush speed on the next cycle before replacing any other components.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43416114495578,"sku":"BWCS-APT600VX-1","price":59.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43416114528346,"sku":"BWCS-APT600VX-2","price":70.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43416114561114,"sku":"BWCS-APT600VX-3","price":78.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-APT600VX-1.webp?v=1779760313"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/collections\/BW-CS-APR210VX_6.webp?v=1780879174","url":"https:\/\/batteryweb.com\/collections\/robotic-pool-cleaner.oembed","provider":"BatteryWeb","version":"1.0","type":"link"}