{"product_id":"leagoo-elite-3-replacement-battery-38v-3000mah-li-ion","title":"Leagoo Elite 3 BT-553P Replacement Battery 3.8V 3000mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eLeagoo Elite 3 — 3.8V Li-ion Replacement Battery (BT-553P)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThe BT-553P is a 3000mAh, 3.8V lithium-ion cell for the Leagoo Elite 3 smartphone. It fits directly into the original battery bay using the same connector and dimensions (87.10 × 58.14 × 4.64mm). Capacity figures are taken from product data — 11.4Wh total energy.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eElite 3 fitment:\u003c\/strong\u003e\n    The Elite 3 uses a 3.8V nominal rail with a standardised flat-cell connector. This cell matches that voltage rail and the physical envelope — the BMS handshake runs over the same two-wire thermistor contact the original used.\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 the Elite 3 platform. The BMS accepted the cell without fault flags, and charge termination cut off correctly at 4.35V with no trickle-charge anomaly.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst-cycle fuel gauge recalibration:\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 the new cell's discharge curve before high-current charging pushes current into 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\"\u003eWhy the Elite 3 reports wrong battery percentage after a cell swap\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe Elite 3 uses a coulomb-counter fuel gauge IC that builds its capacity model against the original cell's discharge curve. When a new cell goes in, the stored model no longer matches the actual chemistry. The OS then displays percentage figures based on stale reference data, which causes jumps and early low-battery warnings. One full discharge-to-cutoff followed by a full charge resets the reference and brings the percentage display back into line.\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 happens when the fuel gauge IC hasn't completed recalibration and the phone hits a voltage cliff under modem or screen load. A freshly installed cell with an uncalibrated gauge can read 25% while the actual cell voltage has already dropped to the BMS cutoff threshold — typically around 3.0V under load. The phone cuts power before the OS sees 0%. Run one full discharge cycle without interruption, then charge to 100% uninterrupted, and the shutdowns stop.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43392033259610,"sku":"BWCS-LGE300SL-1","price":27.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43392033292378,"sku":"BWCS-LGE300SL-2","price":31.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43392033325146,"sku":"BWCS-LGE300SL-3","price":34.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-LGE300SL-1.webp?v=1779143030","url":"https:\/\/batteryweb.com\/products\/leagoo-elite-3-replacement-battery-38v-3000mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}