{"product_id":"lenovo-p70t-replacement-battery-38v-4000mah-li-polymer","title":"BL234 Lenovo P70t Replacement Battery 3.8V 4000mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eLenovo P70t \/ VIBE P1m \/ A5000 Dual — 3.8V Li-Polymer Replacement Battery (BL234)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.8V, 4000mAh (15.2Wh) lithium-polymer replacement for the BL234 cell used in the Lenovo P70t, VIBE P1m, and A5000 Dual smartphones. It fits the original battery tray directly and connects to the same flex-cable connector. Install it when the original cell no longer holds voltage under screen or modem load.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eP70t, VIBE P1m, and A5000 Dual shared platform:\u003c\/strong\u003e\n    All three models run the same 3.8V battery bay, flex-cable pinout, and BMS communication protocol — one cell covers the full set without adapter or modification.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this cell through full charge and discharge on P70t hardware. The BMS accepted the charge IC handshake 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 cycle:\u003c\/strong\u003e\n    After installation, disable fast charging and run one complete discharge down to automatic shutdown, then charge to 100% without interruption. The fuel gauge IC on the P70t maps its coulomb counter to the new cell's discharge curve during this cycle — skipping it causes percentage jumps and early cutoffs in the first week.\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 P70t after a cell swap\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eThe P70t's Snapdragon platform draws a sharp current spike when the modem switches between LTE bands or the screen wakes at full brightness. A new, uncalibrated cell can sag below the BMS cutoff voltage during that spike even when the OS reports 25% remaining. The fuel gauge IC is still using the old cell's internal resistance model, so it doesn't predict the sag correctly. One full discharge-charge cycle without fast charging resets the coulomb counter and stops the phantom shutdowns.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eBL234 replacement not accepted by USB fast charge on first boot\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eOn first power-up after fitting a new BL234, the charge IC sometimes defaults to standard 5V\/1A input and ignores the fast-charge negotiation entirely. This happens because the charge controller re-reads the battery's internal resistance on boot and applies a conservative current limit until it has enough data. Run the phone on standard charge through one full cycle first. After that cycle, fast charging re-engages at normal current on subsequent charges.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43404176064602,"sku":"BWCS-LVP700SL-1","price":25.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43404176097370,"sku":"BWCS-LVP700SL-2","price":28.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43404176130138,"sku":"BWCS-LVP700SL-3","price":31.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-LVP700SL-1.webp?v=1779369290","url":"https:\/\/batteryweb.com\/products\/lenovo-p70t-replacement-battery-38v-4000mah-li-polymer","provider":"BatteryWeb","version":"1.0","type":"link"}