{"product_id":"custom-battery-pack-replacement-battery-37v-1100mah-li-ion","title":"YBT-6C Replacement Battery 3.7V 1100mAh Li-ion","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eCustom Battery Pack YBT-6C — 3.7V Li-ion Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.7V, 1100mAh Li-ion replacement pack built to OEM part number YBT-6C. It measures 53.30 × 34.00 × 6.50mm — a compact cell format used in a range of rechargeable electronics. Fit model is unspecified, so confirm your original pack carries part number YBT-6C before ordering.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eYBT-6C form factor:\u003c\/strong\u003e\n    This pack matches the original cell dimensions and voltage rail at 3.7V nominal. Devices using YBT-6C typically enforce a voltage window check on startup — the replacement cell must sit within that window or the host will reject it before drawing any load.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this pack through charge and discharge on a cell analyser. The BMS held cutoff at the correct low-voltage threshold and accepted a full charge to 4.2V without triggering protection. Capacity measured within spec at 1100mAh on the second cycle.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst-cycle calibration:\u003c\/strong\u003e\n    If your device has an integrated fuel gauge, run one complete charge-discharge cycle immediately after install. The gauge IC recalibrates its state-of-charge model against the new cells — skipping this step causes the indicator to read inaccurately until a full cycle completes.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003ePack not reaching full charge on the first cycle\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eNew Li-ion cells often ship at storage voltage — typically 3.6V to 3.8V — rather than full charge. The charge IC in the host device may apply a reduced current on the first charge pass as the cell voltage climbs from storage level. This is a normal conditioning behaviour and not a fault. After the first full cycle completes, subsequent charges should reach 4.2V and hold capacity correctly.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eDevice rejecting the pack immediately after swap\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eSome devices that use the YBT-6C format run a voltage range check or firmware authentication handshake at power-on. If the pack is at storage voltage when inserted, the device may flag it as out-of-range and refuse to boot. Charge the pack fully via an OEM-compatible charger before inserting it, then power-cycle the device. If rejection persists after a full charge, verify the replacement part number matches YBT-6C exactly.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43333494571098,"sku":"BWCS-YBT600SL-1","price":23.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43333494603866,"sku":"BWCS-YBT600SL-2","price":26.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43333494636634,"sku":"BWCS-YBT600SL-3","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-YBT600SL-1.webp?v=1778212820","url":"https:\/\/batteryweb.com\/products\/custom-battery-pack-replacement-battery-37v-1100mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}