{"product_id":"gionee-m3-replacement-battery-385v-5000mah-li-polymer","title":"GIONEE M3 BL-N5000A Replacement Battery 3.85V 5000mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eGIONEE M3 \/ M4 Series — 3.85V Li-Polymer Replacement Battery (BL-N5000A)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.85V, 5000mAh Li-Polymer replacement battery for the GIONEE M3, M3s, M4, and M3S Marathon TD-LTE Dual SIM. It carries OEM part number BL-N5000A and slots into the same battery bay without modification. Capacity matches the original cell at 19.25Wh.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eM3 \/ M3s \/ M4 platform fit:\u003c\/strong\u003e\n    These models share the same battery bay dimensions, voltage rail at 3.85V nominal, and BMS connector pinout — a single cell covers the range without rewiring or adapters.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this cell on a GIONEE M3 unit and confirmed the BMS handshake completed correctly, charge termination triggered at 4.35V, and low-voltage cutoff engaged at 3.0V under load without fault flags.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFuel gauge recalibration on first use:\u003c\/strong\u003e\n    On first installation, disable fast charging and run one full discharge-charge cycle at standard rate. This lets the fuel gauge IC map the new cell's discharge curve before it begins tracking percentage against an uncalibrated baseline.\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 the GIONEE M3 after a cell swap\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eA new cell has a slightly different internal impedance profile than the worn cell the fuel gauge IC was calibrated against. Under peak load — screen at full brightness, modem active, GPS running — voltage sags faster than the IC predicts. The phone hits the hardware low-voltage threshold before the OS percentage reaches zero. One full discharge-charge cycle at standard rate gives the coulomb counter enough data to relearn the curve and push the shutdown point back to the correct level.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003ePhone not powering on after the replacement battery sat in storage\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eLi-Polymer cells self-discharge in storage. If voltage drops below roughly 2.5V per cell, the BMS enters lockout to prevent damage and the phone will not respond to the power button. Connect to a wall charger — not a PC USB port — and leave it for 20–30 minutes without pressing anything. Most BMS circuits will accept a trickle charge at this state and exit lockout once the cell climbs back above 3.0V, after which normal boot resumes.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43392108101722,"sku":"BWCS-GNM300SL-1","price":26.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43392108134490,"sku":"BWCS-GNM300SL-2","price":30.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43392108167258,"sku":"BWCS-GNM300SL-3","price":33.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-GNM300SL-1.webp?v=1779143797","url":"https:\/\/batteryweb.com\/products\/gionee-m3-replacement-battery-385v-5000mah-li-polymer","provider":"BatteryWeb","version":"1.0","type":"link"}