{"product_id":"oppo-realme-10-pro-replacement-battery-387v-4900mah-li-polymer","title":"BLP951 Oppo Realme 10 Pro+ Replacement Battery 3.87V 4900mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eOppo Realme 10 Pro+ — 3.87V Li-Polymer Replacement Battery (BLP951)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThe BLP951 is a 3.87V, 4900mAh lithium-polymer cell that fits the Realme 10 Pro+, RMX3687, and RMX3686. It replaces a degraded or failed original battery in the device's rear housing. At 18.96Wh, it matches the stock energy capacity these phones draw across the display, modem, and processor.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eRMX3687 and RMX3686 compatibility:\u003c\/strong\u003e\n    Both board revisions use the same 3.87V power rail, BMS handshake protocol, and flex connector pinout — the BLP951 cell covers both without any modification to the connector or cable routing.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran the cell through a full discharge-charge cycle on a Realme 10 Pro+ test unit. The BMS accepted the cell without fault codes, and the charge IC stepped through CC\/CV phases cleanly at the rated voltage ceiling.\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 the new cell's discharge curve before high-current charging pushes load into an uncalibrated coulomb counter — preventing erratic percentage readings early on.\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 replacement cell\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eA new cell has a slightly different internal resistance profile than the worn cell the fuel gauge IC was calibrated against. Under peak load — 5G modem handoff, high-brightness display, or a background sync burst — voltage can sag below the BMS cutoff threshold even when the OS still reports 20–30% remaining. The fuel gauge IC is reading a stored model of the old cell, not the actual charge state of the new one. Run one full discharge to auto-off, then charge uninterrupted to 100% to force the IC to rewrite its reference curve against the BLP951's actual characteristics.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eUSB-PD or VOOC fast charge not triggering after installation\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eOn the first charge cycle after a cell swap, the charge IC sometimes withholds proprietary fast-charge negotiation until it confirms the new cell's impedance is within an expected range. This shows as the phone charging at standard 5W even when plugged into a VOOC or PD adapter. Disconnect and reconnect the charging cable after the phone has been on charge for roughly five minutes — by that point the charge IC has sampled the cell and will re-initiate the fast-charge handshake. If it still doesn't trigger, complete one full standard-rate charge cycle first, then retry the fast-charge adapter.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43391818432602,"sku":"BWCS-OPR951SL-1","price":34.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43391818465370,"sku":"BWCS-OPR951SL-2","price":40.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43391818498138,"sku":"BWCS-OPR951SL-3","price":44.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-OPR951SL-1.webp?v=1779142282","url":"https:\/\/batteryweb.com\/products\/oppo-realme-10-pro-replacement-battery-387v-4900mah-li-polymer","provider":"BatteryWeb","version":"1.0","type":"link"}