{"product_id":"oinom-a1100-replacement-battery-37v-3200mah-li-polymer","title":"Oinom A1100 iPad Compatible Battery 3.7V 3200mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eOinom A1100 \/ A1100H — 3.7V Li-Polymer Replacement Battery\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.7V, 3200mAh (11.84Wh) lithium-polymer battery for devices using the A1100 and A1100H cell. It replaces a worn or failed original battery that no longer holds a charge across a full use cycle. The cell measures 63.30 × 56.00 × 7.00mm — confirm these dimensions match your device before ordering.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eA1100 and A1100H compatibility:\u003c\/strong\u003e\n    Both model numbers share the same physical footprint, connector pinout, and voltage rail at 3.7V nominal. The BMS handshake uses the same single-wire data line, so either variant accepts this cell without modification.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this cell through three full charge and discharge passes on the bench. The BMS held the upper cutoff at 4.20V and triggered low-voltage protection at 3.0V without dropping into lockout prematurely.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFuel gauge recalibration on first use:\u003c\/strong\u003e\n    On first use after installation, disable fast charging for one complete discharge-charge cycle. This lets the fuel gauge IC map its coulomb counter against the new cell's actual discharge curve before high-current charging begins on an uncalibrated cell.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eSudden shutdown at 20–30% on a replacement cell\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eA new cell has a slightly different discharge curve than the original. The fuel gauge IC is still calibrated to the old cell, so its voltage-to-percentage map is off. When screen brightness or a background sync task pulls a brief current spike, the cell voltage dips below the OS shutdown threshold before the reported percentage reaches zero. Run one full uninterrupted discharge down to auto-shutdown, then charge to 100% without interruption. After that cycle, the coulomb counter recalibrates and the reported percentage tracks real voltage accurately.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eDevice not powering on after the battery sat in storage\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eLithium-polymer cells self-discharge in storage. If the cell drops below roughly 2.5V per cell, the BMS trips into deep-discharge lockout and blocks all current flow to protect the cell from damage. The device will show no charge indicator and will not respond to a short charge attempt. Connect to a wall charger — not a PC USB port — and leave it for 30–45 minutes before attempting to power on. Most BMS circuits require a trickle current above the lockout threshold before they re-enable the main discharge path.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43392063864922,"sku":"BWCS-APR600SL-1","price":25.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43392063897690,"sku":"BWCS-APR600SL-2","price":28.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43392063930458,"sku":"BWCS-APR600SL-3","price":31.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-APR600SL-1.webp?v=1779143471","url":"https:\/\/batteryweb.com\/products\/oinom-a1100-replacement-battery-37v-3200mah-li-polymer","provider":"BatteryWeb","version":"1.0","type":"link"}