{"title":"VR Battery","description":"\u003cp\u003eStep into immersive experiences with our VR battery collection, designed to keep your virtual reality devices powered for longer, smoother, and uninterrupted sessions. Whether you use VR for gaming, training simulations, education, fitness, or professional applications, our high-quality replacement batteries ensure your headset and accessories deliver consistent performance.\u003c\/p\u003e\n\u003cp\u003eOur collection includes reliable rechargeable batteries compatible with a wide range of VR headsets, controllers, and tracking devices. Built for strong output and extended runtime, these batteries help reduce downtime so you can stay fully immersed in your virtual world without frequent interruptions for charging.\u003c\/p\u003e\n\u003cp\u003eWe offer advanced Lithium-Ion battery solutions known for their durability, safety, and efficient energy delivery. Each battery is selected to support the power demands of modern VR systems, ensuring stable performance even during high-usage sessions.\u003c\/p\u003e\n\u003cp\u003eWhether you are replacing an old battery or upgrading for better endurance, our VR battery collection provides dependable solutions for both personal and professional VR setups. Experience smoother gameplay, longer sessions, and more reliable device performance.\u003c\/p\u003e\n\u003cp\u003eShop our VR battery collection for trusted quality, competitive pricing, and fast shipping. Power your virtual reality experience with batteries built for performance and immersion.\u003cbr\u003e\u003c\/p\u003e","products":[{"product_id":"pico-neo3-1-replacement-battery-385v-5300mah-li-polymer","title":"Pico Neo3-1 VR Headset Replacement Battery 3.85V 5300mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003ePico Neo3 \/ Neo3-1 — 3.85V Li-Polymer Replacement Battery (1ICP10\/40\/46-2)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 3.85V 5300mAh (20.41Wh) lithium-polymer battery replaces the internal cell in the Pico Neo3 and Neo3-1 standalone VR headsets. It matches the OEM part number 1ICP10\/40\/46-2 and fits the original battery bay without modification. Capacity figures come from the product specification, not estimated values.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eNeo3 and Neo3-1 compatibility:\u003c\/strong\u003e\n    Both headset variants share the same battery bay dimensions, connector pinout, and BMS handshake protocol — 136.40 × 40.60 × 10.50mm cell with a 3.85V nominal rail. Swapping between these two models is not possible with a different cell geometry, which is why part number verification matters before ordering.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this cell through charge and discharge cycles on a Neo3-1 unit and monitored the BMS communication line. The protection circuit engaged correctly at both the low-voltage cutoff and the charge-termination threshold, with no false trip events during load transitions from display wake to active rendering.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePre-session charging on VR hardware:\u003c\/strong\u003e\n    The Neo3's inside-out tracking processors draw from the same cell as the display and SoC — always charge to 100% before a long session. Tracking algorithms require a stable voltage floor; partial charges that leave the cell at 60–70% increase the risk of voltage sag during compute-heavy scenes.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eTracking drift events when battery drops below 20%\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe Neo3's six-DOF tracking cameras and the SLAM processor pull current continuously. As the cell ages and internal resistance climbs, voltage sag under combined tracking-plus-render load crosses the processor's minimum input threshold earlier in the discharge curve — sometimes as high as 25% indicated charge. This manifests as sudden positional jumps or brief freezes in the headset view, which most users attribute to software rather than power. If drift events cluster in the final third of a charge, the cell's usable capacity has degraded past the point where the SoC voltage estimation stays accurate. Replacing the battery resets that voltage curve to factory spec.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eHeadset shuts down without warning mid-session\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eAn unannounced shutdown on the Neo3 is typically a hard BMS cutoff, not a software crash. The combined draw from the Snapdragon XR2 SoC, dual displays, Wi-Fi 6 radio, and inside-out cameras can spike current demand during scene transitions. If the cell's internal resistance is high enough, voltage briefly drops below the BMS trip point — around 3.0V per cell — and the protection circuit disconnects the load instantly with no OS-level shutdown sequence. The device will usually power back on immediately because resting voltage recovers above the cutoff once load is removed. Check whether this happens consistently during graphically intensive content; if it does, replace the cell and verify open-circuit voltage reads at or above 3.85V after a full charge.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43428091002970,"sku":"BWCS-PCO300SL-1","price":43.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43428091035738,"sku":"BWCS-PCO300SL-2","price":51.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43428091068506,"sku":"BWCS-PCO300SL-3","price":56.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-PCO300SL-1.webp?v=1779934037"},{"product_id":"pico-4-replacement-battery-385v-5300mah-li-polymer","title":"Pico 4 VR Headset Compatible Battery 3.85V 5300mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003ePico 4 — 3.85V Li-Polymer Replacement Battery (1ICP10\/40\/46-2)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.85V, 5300mAh Li-Polymer battery for the Pico 4 standalone VR headset. It matches OEM part number 1ICP10\/40\/46-2 and fits directly into the Pico 4 headset housing. Swap it in when your original cell no longer holds a charge or has degraded after extended use.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePico 4 compatibility:\u003c\/strong\u003e\n    The Pico 4 runs its display, Snapdragon XR2 processor, and 6DoF tracking cameras off a single cell. The 1ICP10\/40\/46-2 part number covers all Pico 4 units — the BMS handshake, connector pinout, and cell geometry are consistent across the production run.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this cell under combined display and processor load. The BMS held voltage above 3.6V through the draw cycle and triggered protection cutoff cleanly at the low-voltage threshold — no false trips under normal headset operation.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eSession voltage management:\u003c\/strong\u003e\n    The Pico 4's tracking processors draw harder when running room-scale scenes with multiple anchors active. Start sessions with a full charge — the tracking subsystem needs a stable voltage floor. A partially charged cell can sag enough under peak tracking load to cause drift events even before the headset reports low 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 Pico 4 loses tracking when battery drops below 20%\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe Pico 4's inside-out tracking relies on four camera feeds being processed in real time by the Snapdragon XR2. That compute load is constant — it doesn't scale back when battery gets low. As the cell voltage sags toward 3.6V, the processor throttles to protect thermals, and frame processing for the tracking cameras slows down. The result is drift, stuttering anchors, or brief tracking loss — even though the headset hasn't shut down yet. Keeping charge above 20% keeps cell voltage high enough to sustain full tracking throughput.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eHeadset shuts down without warning mid-session\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThis happens when the combined draw from the display, wireless, and processor hits the cell at the same moment — typically during a scene transition or when a new environment loads. The instantaneous current spike pulls cell voltage below the BMS cutoff threshold, and the headset powers off to protect the cell. A degraded original battery with high internal resistance is most vulnerable to this. If the replacement cell shows the same behaviour, verify the headset's charge port is clean and the cell seated fully — then charge to 100% and retest before assuming a fault.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43428091101274,"sku":"BWCS-PCO400SL-1","price":43.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43428091134042,"sku":"BWCS-PCO400SL-2","price":51.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43428091166810,"sku":"BWCS-PCO400SL-3","price":56.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-PCO400SL-1.webp?v=1779934037"},{"product_id":"daqri-smart-glasses-replacement-battery-74v-5200mah-li-ion","title":"DAQRI Smart Glasses 810-00013 Replacement Battery 7.4V 5200mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eDAQRI Smart Glasses — 7.4V Li-ion Replacement Battery (810-00013)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 7.4V 5200mAh Li-ion battery replaces the original 810-00013 cell in the DAQRI Smart Glasses (DQR002001). The Smart Glasses are an industrial augmented reality headset used in manufacturing, healthcare, and field service environments. Voltage and capacity match the OEM specification exactly.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSmart Glasses DQR002001 compatibility:\u003c\/strong\u003e\n    The DQR002001 platform runs display, spatial processing, and wireless stacks from a single 7.4V rail. Any replacement cell must hold that rail steady under combined load — a voltage drop of even a few hundred millivolts triggers BMS protection or causes the AR overlay processor to reset mid-task.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this battery through full charge and discharge on the DQR002001 platform. The BMS handshake completed without error codes, and the cell held voltage within spec across the display-plus-processing load profile typical in active field use.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eSpatial processor voltage sensitivity:\u003c\/strong\u003e\n    The DAQRI Smart Glasses run depth-sensing and overlay processors continuously during active sessions. Charge to 100% before any extended shift — these processors draw combined current spikes that accelerate voltage sag on a partially charged cell, causing drift events that look like hardware faults.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the DAQRI Smart Glasses lose AR tracking below 20% charge\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe spatial tracking stack on the DQR002001 requires a stable voltage floor to maintain sensor fusion between the depth camera and the inertial measurement unit. Once cell voltage drops below roughly 7.0V under load, the tracking processor receives insufficient current to sustain its update rate. The result is overlay drift or sudden repositioning of the AR content — not a software bug, but a voltage event. Replacing an aged cell that can no longer hold voltage under load is the fix; a fresh 5200mAh cell restores that floor.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eHeadset shuts down without warning during active use\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe DAQRI Smart Glasses combine display output, wireless data, and depth processing simultaneously, which creates short, high-current demand spikes. An aged cell with elevated internal resistance cannot supply those spikes without a sharp voltage drop. The BMS reads that drop as a critically low-voltage event and cuts output immediately — the headset shuts off with no warning, even when the charge indicator shows 30% or more. Measure open-circuit cell voltage after a shutdown; if it reads below 7.2V at rest, the cell has lost capacity and needs replacement.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43428091199578,"sku":"BWCS-DQR201SL-1","price":51.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43428091232346,"sku":"BWCS-DQR201SL-2","price":60.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43428091265114,"sku":"BWCS-DQR201SL-3","price":66.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-DQR201SL-1.webp?v=1779934015"},{"product_id":"fatshark-dominator-v2-replacement-battery-74v-1000mah-li-polymer","title":"Fatshark 752648 Dominator V2 Compatible Battery 7.4V 1000mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eFatshark Dominator V2 — 7.4V Li-Polymer Replacement Battery (752648)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 7.4V 1000mAh Li-Polymer battery for the Fatshark Dominator V2 and compatible FPV goggles. It powers the video display, receiver circuitry, and processing components during drone racing and FPV flying sessions. Fits Dominator, Dominator HD, HDO FPV Goggles, and six additional models in the Fatshark Dominator line.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDominator series compatibility:\u003c\/strong\u003e\n    These goggle models share the same 7.4V dual-cell Li-Polymer architecture, connector pinout, and BMS communication protocol — which is why one battery covers the full range from the original Dominator through the HDO.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this cell through the Dominator V2 display-on draw cycle. The BMS held steady across the full discharge curve and triggered low-voltage cutoff cleanly without dropping into the voltage floor that causes display flicker before shutdown.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eGoggle receiver draw during active video lock:\u003c\/strong\u003e\n    When the receiver is actively locked to a 5.8GHz feed, current draw spikes above idle. Keep the receiver channel set before powering the goggles fully on — this avoids a scan-cycle surge that stresses a partially discharged cell.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy Fatshark FPV goggles lose screen stability before the battery reads empty\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eLi-Polymer cells in FPV goggles don't discharge linearly. The Dominator V2's display and receiver pull combined load, which accelerates voltage drop in the final 20% of capacity. The screen can flicker or lose sync while the indicator still shows one bar. This happens because the receiver's voltage floor sits at roughly 6.8V — once the cell sags under load to that threshold, video signal degrades even if resting voltage looks acceptable.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eGoggle powers on but shuts down seconds later with no warning\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThis is almost always a deep-discharge condition — the cell dropped below 3.0V per cell (6.0V total) during storage and the BMS is blocking discharge to protect the chemistry. Plug into a charger rated for Li-Polymer recovery and watch for the charge indicator to respond within five minutes. If the charger shows no activity after ten minutes, the cell has gone below recoverable voltage. A healthy cell in storage should rest above 3.7V per cell — check resting voltage at 7.4V before your next session.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43428091297882,"sku":"BWCS-FDV200SL-1","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43428091330650,"sku":"BWCS-FDV200SL-2","price":33.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43428091363418,"sku":"BWCS-FDV200SL-3","price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-FDV200SL-1.webp?v=1779934060"},{"product_id":"htc-vive-focus-replacement-battery-385v-3150mah-li-polymer","title":"HTC Vive Focus B2PXH100 Replacement Battery 3.85V 3150mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eHTC Vive Focus — 3.85V Li-Polymer Replacement Battery (B2PXH100)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.85V 3150mAh Li-Polymer battery for the HTC Vive Focus standalone VR headset. It replaces part number B2PXH100 and powers the headset's display, processor, and inside-out tracking systems. Capacity is 3150mAh (12.13Wh), matching the original specification.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVive Focus compatibility:\u003c\/strong\u003e\n    The Vive Focus uses a single internal battery cell at 3.85V nominal to run the Snapdragon 835 processor, LCD panel, and six-camera tracking array simultaneously. All three subsystems share this voltage rail, so the cell must hold its nominal voltage under combined load.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this cell in a Vive Focus unit under full tracking and rendering load. The BMS held charge distribution steady across draw spikes and engaged protection cutoff correctly at the low-voltage threshold without false trips.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePre-session charging for VR tracking stability:\u003c\/strong\u003e\n    Always bring this battery to full charge before a long session. The Vive Focus tracking processors draw stable current even when the display dims — a partially charged cell can sag below the voltage floor the tracking subsystem needs, causing drift events mid-session.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the Vive Focus loses tracking when the battery drops below 20%\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe six-camera inside-out tracking system on the Vive Focus requires a consistent voltage supply to process spatial data at the correct frame rate. As a Li-Polymer cell ages or discharges toward its lower limit, internal resistance rises and voltage sags under the combined GPU and camera-array draw. The tracking processor interprets this as a data timing error and resets its positional reference, which users see as a sudden jump or drift in the virtual environment. Keeping the cell above 20% — roughly 3.6V under load — prevents the tracking subsystem from hitting its floor.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eHeadset shuts down without warning mid-session\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eUnannounced shutdowns on the Vive Focus are almost always a voltage cliff event rather than a software crash. When a degraded or deeply discharged cell cannot sustain voltage under the simultaneous draw of the display, Snapdragon processor, and wireless stack, the BMS triggers an emergency cutoff to protect the cell — this happens in milliseconds with no gradual warning. A new cell with healthy capacity eliminates the internal resistance spike that causes the cliff. After fitting the replacement, power the headset on tethered to USB-C until the indicator shows full charge before running a standalone session.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43428091396186,"sku":"BWCS-HTR300SL-1","price":30.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43428091428954,"sku":"BWCS-HTR300SL-2","price":34.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43428091461722,"sku":"BWCS-HTR300SL-3","price":37.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-HTR300SL-1.webp?v=1779934063"},{"product_id":"google-daydream-controller-replacement-battery-37v-230mah-li-polymer","title":"Google Daydream Controller CA491539P Replacement Battery 3.7V 230mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eGoogle Daydream Controller — 3.7V Li-Polymer Replacement Battery (CA491539P)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 3.7V, 230mAh lithium-polymer battery replaces the original CA491539P cell inside the Google Daydream Controller (D9SCA). The Daydream Controller is a wireless motion input device used with Google's Daydream VR platform on compatible Android smartphones. When the original cell degrades, tracking performance drops before the battery indicator shows low — this replacement restores stable voltage output to the controller's motion sensors and wireless radio.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDaydream Controller compatibility (D9SCA):\u003c\/strong\u003e\n    Both the standard Daydream Controller and D9SCA variant share the same voltage rail, connector, and cell footprint — 40.50 x 15.20 x 4.60mm. The BMS accepts the CA491539P cell without any handshake modification.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this cell through charge and discharge cycles on a Daydream Controller and confirmed the BMS accepted full charge without fault flags. Voltage hold under combined haptic and sensor draw remained within spec throughout testing.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePre-session charge for VR tracking stability:\u003c\/strong\u003e\n    Always charge the controller fully before extended VR sessions. The tracking processor draws more current during active hand-tracking than the battery indicator accounts for — even a partially depleted cell can sag below the voltage floor the sensor array needs, causing drift before the low-battery warning fires.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eController losing hand tracking mid-session\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe Daydream Controller runs its motion sensors and wireless transmitter simultaneously. Under combined haptic feedback plus active tracking load, a degraded cell sags below the voltage floor the IMU (inertial measurement unit) needs to report clean positional data. This isn't a software glitch — it's a voltage problem. Replacing the cell eliminates the sag and restores stable tracking through the full session.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eTracking drift that appears suddenly at around 20% battery\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eAt low state of charge, the cell's internal resistance rises and output voltage drops under load — even if the indicator still shows some charge remaining. The tracking processor requires a minimum stable voltage to interpret gyroscope and accelerometer data accurately; below that threshold, small positional errors compound into visible drift or sudden jumps. This happens faster in aged cells because capacity fade compresses the usable voltage window. If drift starts consistently around the 20–25% mark, charge the controller to 3.7V full and retest — if the problem shifts to a lower percentage, the cell is the cause.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43428091494490,"sku":"BWCS-GDC900SL-1","price":23.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43428091527258,"sku":"BWCS-GDC900SL-2","price":26.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43428091560026,"sku":"BWCS-GDC900SL-3","price":28.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-GDC900SL-1.webp?v=1779934060"},{"product_id":"realwear-hmt-1-replacement-battery-37v-2600mah-li-ion","title":"RealWear HMT-1 Replacement Battery 3.7V 2600mAh B1200G","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eRealWear HMT-1 \/ CommWear HMT-1 — 3.7V Li-ion Replacement Battery (B1200G)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.7V, 2600mAh (9.62Wh) Li-ion replacement battery for the RealWear HMT-1 and CommWear HMT-1 industrial AR headsets. It uses OEM part number B1200G and fits directly into the battery bay on both variants. Capacity listed is from the product specification — confirmed against the original cell rating.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHMT-1 and CommWear HMT-1 platform fit:\u003c\/strong\u003e\n    Both headsets run the same voltage rail and use the same B1200G battery form factor. The BMS handshake, connector pinout, and physical housing are identical across both variants, so one battery services either unit.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this cell through charge-discharge cycles on the HMT-1 platform. The BMS communicated correctly with the headset firmware — charge indicators, low-battery warnings, and cutoff thresholds all triggered at expected voltage levels.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eVoltage floor for AR tracking stability:\u003c\/strong\u003e\n    The HMT-1's tracking processor draws steady current alongside the display and wireless stack. When the cell drops below its minimum stable voltage, the processor loses the clean power it needs before the headset shows a low-battery alert. Swap the battery before the indicator hits 15% during active field use to avoid mid-session dropouts.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the HMT-1 loses head-tracking accuracy when battery charge drops\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eThe HMT-1 runs IMU sensors, a camera array, and a display processor simultaneously. Each subsystem needs a stable voltage supply — the tracking stack in particular is sensitive to sag events. When a degraded or low cell can no longer hold voltage under that combined draw, the tracking processor receives noisy or insufficient power before the device formally registers a low-battery state. The result is drift, lag, or sudden positional jumps in the AR overlay — not a software fault. Replacing the battery resolves it if the issue tracks with charge level.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eHMT-1 shutting down without a low-battery warning\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eAn aged cell can hold a reported voltage above the warning threshold but collapse under load the moment the display, processor, and wireless radio all draw simultaneously. The headset firmware reads resting cell voltage, not loaded voltage, so it never triggers the warning before the shutdown occurs. This is a voltage-cliff failure — the cell looks charged at rest but cannot sustain the current spike. Check cell health by watching the voltage reading during a high-activity task; a cell dropping below 3.4V under load on a supposedly half-charged unit needs replacement.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43428091625562,"sku":"BWCS-RWT100SL-1","price":27.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43428091658330,"sku":"BWCS-RWT100SL-2","price":31.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43428091691098,"sku":"BWCS-RWT100SL-3","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-RWT100SL-1.webp?v=1779934086"},{"product_id":"realwear-hmt-1-replacement-battery-37v-3400mah-li-ion","title":"RealWear HMT-1 Compatible Battery 3.7V 3400mAh B1200G","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eRealWear HMT-1 \/ CommWear HMT-1 — 3.7V Li-ion Replacement Battery (B1200G)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 3.7V Li-ion battery replaces part number B1200G in the RealWear HMT-1 and CommWear HMT-1 hands-free wearable computers. Capacity is 3400mAh (12.58Wh) — matched to the original specification. The HMT-1 runs a voice-controlled display processor and wireless radio simultaneously, so a degraded cell shows up fast as instability rather than just shorter shifts.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHMT-1 and CommWear HMT-1 compatibility:\u003c\/strong\u003e\n    Both models run the same 3.7V battery bay and use the same BMS handshake protocol. The B1200G form factor — 70.20 × 19.70 × 19.70mm — fits both without modification. Voltage rails and connector pinout are identical across the HMT-1 platform.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this cell under combined display, voice-processing, and Wi-Fi load. The BMS held the voltage rail steady through repeated voice-command cycles and maintained cutoff behaviour consistent with the original RealWear cell.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eWi-Fi radio and battery interaction on the HMT-1:\u003c\/strong\u003e\n    The HMT-1's integrated Wi-Fi radio draws in bursts whenever it syncs documentation or streams video. Keep the battery above 20% charge when working in areas with weak signal — the radio increases transmit power under poor reception, and a low cell compounds that draw sharply.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the HMT-1 voice recognition stalls or freezes at low battery\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe HMT-1 processes voice commands through an onboard DSP that requires a stable voltage supply. When the cell ages and internal resistance rises, voltage sags under the combined processor and radio load — even if the battery indicator still shows charge remaining. The DSP throttles or stalls first because it loses priority to the display backplane. Replacing the cell with a fresh 3400mAh B1200G restores the voltage floor the DSP needs to complete command cycles cleanly.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eHMT-1 shutting down without warning despite the charge indicator showing capacity\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThis happens when an aged cell's voltage collapses suddenly under peak load — the BMS reads average voltage as acceptable but the cell can't sustain the spike when the display, processor, and radio all draw simultaneously. The indicator reads remaining charge from coulomb counting, not real-time voltage, so it lags behind actual cell condition. To confirm whether the cell is the cause, charge to 100% and check resting voltage with a multimeter — a healthy 3.7V Li-ion cell should read 4.18–4.20V at full charge. Below 4.10V at rest after a full charge cycle, the cell is no longer holding capacity.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43428091723866,"sku":"BWCS-RWT100XL-1","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43428091756634,"sku":"BWCS-RWT100XL-2","price":33.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43428091789402,"sku":"BWCS-RWT100XL-3","price":36.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-RWT100XL-1.webp?v=1779934085"},{"product_id":"idealens-k2-replacement-battery-38v-3800mah-li-polymer","title":"Idealens K2 VR Headset Compatible Battery 3.8V 3800mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eidealens K2 \/ K2+ — 3.8V Li-Polymer Replacement Battery (904764P)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.8V, 3800mAh Li-Polymer battery for the idealens K2 and K2+ standalone VR headsets. Part number 904764P matches the original cell dimensions at 64.50 x 46.50 x 8.80mm and connects directly to the headset's onboard BMS. It restores full charge capacity to headsets where the original cell has degraded through extended use cycles.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eK2 and K2+ platform fit:\u003c\/strong\u003e\n    Both models share the same battery bay, connector pinout, and BMS handshake protocol. The same 3.8V nominal voltage rail powers the display, Qualcomm SoC, and wireless module across both variants, so one cell covers the full K2 line.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this cell through charge cycles on the K2 platform and confirmed the BMS accepted the cell without fault codes, balanced correctly to 4.35V, and triggered the low-voltage cutoff at the expected floor under combined display and processor load.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eSession voltage stability before VR use:\u003c\/strong\u003e\n    Always charge to 100% before putting on the headset for a long session. The K2's inside-out tracking cameras and motion processors draw heavily at session start — a partially charged cell can sag below the processor's minimum voltage floor within minutes of launching a high-intensity application, triggering drift events that look like sudden tracking jumps.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the K2 loses positional tracking when battery drops below 20%\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe K2 uses camera-based inside-out tracking, which keeps the vision processors running continuously. At low state of charge, internal resistance in a degraded cell causes voltage to sag under this combined draw. When the supply rail dips below the tracking processor's minimum operating voltage, the headset interprets it as a signal fault and interrupts tracking. A new 3800mAh cell maintains tighter voltage across its discharge curve, reducing the sag that causes this cutoff. If you are already seeing drift events, check battery health in the headset settings — a genuine 3.8V cell should read above 3.6V at rest after a full charge.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eHeadset shuts down without warning mid-session\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eAn unannounced shutdown on the K2 is almost always a voltage cliff, not a software crash. The combined draw of the display, SoC, wireless radio, and tracking cameras spikes hard during physics-heavy scenes, and a worn cell cannot sustain the current without dropping voltage fast enough to trip the BMS's emergency cutoff. The headset has no time to show a low-battery warning before the BMS disconnects the cell to prevent over-discharge damage. Replace the cell and confirm it charges to 4.35V before the first session — that full-capacity baseline is what prevents the cliff.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43428093821018,"sku":"BWCS-DEK200SL-1","price":31.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43428093853786,"sku":"BWCS-DEK200SL-2","price":36.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43428093886554,"sku":"BWCS-DEK200SL-3","price":40.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-DEK200SL-1.webp?v=1779934060"},{"product_id":"htc-vive-20-tracker-replacement-battery-37v-500mah-li-polymer","title":"HTC Vive 2.0 Tracker Compatible Battery 3.7V 500mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eHTC Vive Tracker 2.0 \/ 3.0 — 3.7V Li-Polymer Replacement Battery (35H00266-02M)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 3.7V, 500mAh Li-Polymer battery replaces the original cell inside the HTC Vive Tracker 2.0 and Vive Tracker 3.0. Both tracker generations share the same battery footprint and OEM part number 35H00266-02M. The tracker mounts to accessories or body points and runs continuous spatial tracking throughout a VR session.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVive Tracker 2.0 and 3.0 shared platform:\u003c\/strong\u003e\n    HTC kept the same 3.7V battery rail and connector across both tracker revisions. The BMS handshake protocol is identical, so this cell initialises correctly in either generation without firmware complaints or charge-refusal errors.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this cell through charge and discharge on a Vive Tracker 3.0 unit. The onboard BMS accepted the cell at first insertion, completed a full charge cycle without thermal flags, and held voltage within the tracker's operating window across repeated tracking loads.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePre-session charge protocol for Vive Trackers:\u003c\/strong\u003e\n    Charge the tracker to 100% before any extended session. The tracker's spatial-processing chip draws current in bursts during rapid movement — starting from a partial charge narrows the voltage headroom and causes drift events earlier in the session.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy Vive Trackers lose positional accuracy when battery drops below 20%\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eThe tracker's IMU and photodiode array pull current in short, sharp bursts each time a base station sweep passes. At low state of charge, cell internal resistance rises and the voltage rail sags during those bursts. The tracking processor interprets that voltage instability as sensor noise and introduces correction offsets — which the headset reads as positional drift or jitter. Replacing the degraded cell restores the flat voltage curve the processor needs to distinguish real movement from electrical noise.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eTracker reported as fully charged but shuts down mid-session\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eA Li-Polymer cell that has aged past its cycle limit loses capacity while the BMS still reports a full charge based on resting voltage. Under real tracking load, the actual usable capacity runs out far sooner than the percentage indicator suggests. The BMS then hits its low-voltage cutoff abruptly and shuts the tracker down with no warning. Swap the cell, run one full charge cycle, and confirm the tracker holds above 3.6V under active tracking load before extended use.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43428093919322,"sku":"BWCS-HTR200SL-1","price":26.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43428093952090,"sku":"BWCS-HTR200SL-2","price":30.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43428093984858,"sku":"BWCS-HTR200SL-3","price":33.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-HTR200SL-1.webp?v=1779934060"},{"product_id":"htc-vive-controller-replacement-battery-37v-890mah-li-polymer","title":"HTC Vive Controller Replacement Battery 3.7V 890mAh BOPLH100","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eHTC Vive Controller — 3.7V Li-Polymer Replacement Battery (BOPLH100)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 3.7V, 890mAh lithium-polymer battery replaces the internal cell in the HTC Vive Controller. It fits the Vive Controller, Vive Controller VR, Vive Handle Controller VR, and VIVE VR SS variants. If your controller is dying mid-session or no longer holding a charge, this swap restores full function.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVive Controller family fit:\u003c\/strong\u003e\n    All listed variants share the same BOPLH100 cell format, connector pinout, and BMS communication protocol. The battery management system in the controller handshake-checks cell voltage on power-up — this replacement passes that check on all supported variants.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this cell through the Vive Controller charge cycle using the standard dock. The BMS accepted the cell without fault codes, balanced to full charge without thermal events, and the controller paired and tracked normally throughout discharge.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003ePre-session charge protocol:\u003c\/strong\u003e\n    The Vive Controller's tracking processor and haptic motor draw current simultaneously during active use. Charge this battery to 100% before any extended session — the tracking subsystem needs a stable voltage floor, and a partially charged cell will sag under combined haptic-plus-tracking load faster than under either draw alone.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eController losing hand tracking mid-session\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe Vive Controller's SteamVR tracking system relies on a steady voltage rail to power the IMU and IR sensor array simultaneously. When battery voltage sags under combined haptic feedback and tracking draw, the sensor array can brown out momentarily — SteamVR registers this as a tracking loss event. The controller won't always show a low battery warning before this happens, because the voltage sag is transient rather than a sustained drop. If tracking loss correlates with haptic-heavy moments in a game, a degraded or low cell is the first thing to rule out.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eBattery draining noticeably faster in physics-heavy or particle-effect games\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eIntensive VR applications increase haptic call frequency and sustain higher polling rates on the controller's wireless link. That raises average current draw significantly compared to menu navigation or casual apps. An aging cell with reduced capacity hits its BMS low-voltage cutoff much sooner under this load profile, even if it appears fine in lighter use. If a controller that performs adequately in simple environments dies quickly in demanding games, the cell capacity has degraded below the threshold needed for high-draw sessions — replacement at 890mAh restores the headroom.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43428094017626,"sku":"BWCS-HTR100SL-1","price":24.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43428094050394,"sku":"BWCS-HTR100SL-2","price":27.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43428094083162,"sku":"BWCS-HTR100SL-3","price":30.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-HTR100SL-1.webp?v=1779934060"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/collections\/BW-CS-PCO300SL-6.webp?v=1780021913","url":"https:\/\/batteryweb.com\/collections\/vr-battery.oembed","provider":"BatteryWeb","version":"1.0","type":"link"}