{"product_id":"oneplus-7t-pro-replacement-battery-385v-3900mah-li-polymer","title":"OnePlus 7T Pro BLP745 Replacement Battery 3.85V 3900mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eOnePlus 7T Pro \/ 7T Pro 5G — 3.85V Li-Polymer Replacement Battery (BLP745)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3900mAh (15.02Wh) Li-Polymer cell replacing the original BLP745 in the OnePlus 7T Pro and 7T Pro 5G. It fits all HD1910, HD1911, HD1913, and HD1925 variants. Voltage is 3.85V nominal — identical to the factory specification.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHD1910 \/ HD1911 \/ HD1913 \/ HD1925 compatibility:\u003c\/strong\u003e\n    These four model codes share the same battery bay geometry, connector orientation, and BMS handshake protocol. The BLP745 footprint — 64.40 × 61.30 × 5.80mm — fits all four without modification to the adhesive anchor points or flex routing.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran the BLP745 replacement through charge-discharge cycles on an HD1911 unit. The BMS accepted the cell without fault codes, completed a full 4.4V charge termination, and held the voltage curve within spec across the discharge sweep.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst-cycle fast charge protocol:\u003c\/strong\u003e\n    On first use after installation, disable Warp Charge for one complete discharge-charge cycle. The fuel gauge IC needs to map the new cell's discharge curve before high-current charging pushes accurate coulomb counting. Re-enable Warp Charge after that first full cycle.\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\"\u003eThis happens because the fuel gauge IC is still calibrated to the old cell's voltage-to-capacity curve. When the new cell hits its real voltage cliff — typically around 3.5V under modem or display load — the system shuts down even though the percentage readout still shows charge remaining. The fix is one full uninterrupted discharge to automatic shutdown, followed by a full charge to 100% without interruption. After that cycle, the coulomb counter resets its curve to the new cell and the percentage readout tracks accurately down to around 3.6V before the true low-voltage cutoff.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eWarp Charge not activating after cell swap\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe OnePlus Warp Charge protocol negotiates between the charger and the BMS on the installed cell. On a freshly installed cell, the BMS may not complete the handshake on the first plug-in, so the phone drops back to standard 5V charging. Disconnect the cable, power the phone off completely, then reconnect the official Warp Charge adapter. If the handshake still fails after a cold boot, complete one full standard charge cycle — the BMS initialisation routine typically completes during that first full charge and Warp negotiation succeeds on the next plug-in.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43391944392794,"sku":"BWCS-OPT730SL-1","price":26.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43391944425562,"sku":"BWCS-OPT730SL-2","price":30.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43391944458330,"sku":"BWCS-OPT730SL-3","price":33.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-OPT730SL-1.webp?v=1779142677","url":"https:\/\/batteryweb.com\/products\/oneplus-7t-pro-replacement-battery-385v-3900mah-li-polymer","provider":"BatteryWeb","version":"1.0","type":"link"}