{"product_id":"gionee-e3-replacement-battery-37v-1600mah-li-ion","title":"Gionee E3 Replacement Battery BL-C008A 3.7V 1600mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eGIONEE E3 \/ E3T — 3.7V Li-ion Replacement Battery (BL-C008A)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.7V, 1600mAh Li-ion battery replacing the BL-C008A cell in the GIONEE E3 and E3T smartphones. It fits the original battery bay without modification. Voltage and capacity match the factory specification exactly.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eE3 and E3T compatibility:\u003c\/strong\u003e\n    Both models share the same battery bay dimensions, voltage rail, and BMS handshake protocol. The BL-C008A footprint — 73.17 × 58.00 × 3.96 mm — is identical across both variants, so one cell covers either device.\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 E3 hardware. The BMS accepted the cell without fault codes, and the protection circuit tripped correctly at the low-voltage cutoff threshold.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFuel gauge recalibration on first install:\u003c\/strong\u003e\n    On first use after installation, disable fast charging and run one full discharge-to-charge cycle. This lets the fuel gauge IC map the new cell's discharge curve before high-current charging pushes current into an uncalibrated register.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWhy the E3 reports wrong battery percentage after a cell swap\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe GIONEE E3 uses a fuel gauge IC that stores a learned discharge curve from the original cell. When a new cell goes in, the IC is still reading against the old curve. The result is percentage jumps, phantom full charges, or a bar that barely moves for hours then drops fast. One complete discharge-charge cycle — draining below 5% and charging uninterrupted to 100% — forces the IC to rewrite its calibration registers against the new cell's actual chemistry.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eSudden shutdown at 20–30% on the replacement cell\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThis is a voltage cliff, not a capacity problem. Under peak load — modem handoff, screen at full brightness, background sync — the cell voltage drops sharply in that 20–30% window. The BMS reads the sag as a low-voltage event and cuts output before the percentage gauge has time to update. If shutdowns are repeatable at the same percentage, run one full calibration cycle first. If they continue after calibration, check that the battery connector is fully seated — a partially engaged connector raises contact resistance and worsens voltage sag under load.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43404260114522,"sku":"BWCS-GNE310SL-1","price":23.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43404260147290,"sku":"BWCS-GNE310SL-2","price":26.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43404260180058,"sku":"BWCS-GNE310SL-3","price":28.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-GNE310SL-1.webp?v=1779369511","url":"https:\/\/batteryweb.com\/products\/gionee-e3-replacement-battery-37v-1600mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}