{"product_id":"wiko-view3-pro-replacement-battery-38v-3900mah-li-polymer","title":"TPJ18K07P Wiko View3 Pro Compatible Battery 3.8V 3900mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eWiko View3 Pro \/ View 4 Lite \/ Y81 — 3.8V Li-Polymer Replacement Battery (TPJ18K07P)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.8V, 3900mAh lithium-polymer battery that replaces the original TPJ18K07P cell in the Wiko View3 Pro, View 4 Lite, and Y81 smartphones. It restores full charging function to devices where the original cell has degraded or failed to hold a charge. Capacity matches the factory specification: 3900mAh \/ 14.82Wh.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eView3 Pro, View 4 Lite, and Y81 fitment:\u003c\/strong\u003e\n    These three models share the same battery bay dimensions and connector pinout. The TPJ18K07P BMS handshake is compatible across all three platforms — the charge IC reads the same protection circuit on each.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this cell on the View3 Pro charge IC and confirmed BMS cutoff triggers correctly at the low-voltage threshold. The protection circuit tripped as expected under overcurrent conditions and reset without issue.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFuel gauge recalibration on first use:\u003c\/strong\u003e\n    After installation, disable fast charging and run one full discharge-charge cycle at standard current. This lets the fuel gauge IC map the new cell's discharge curve before high-current charging pushes into an uncalibrated coulomb counter.\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 is a voltage cliff problem, not a capacity fault. When the modem transmits or the screen pushes peak brightness, load current spikes sharply. A new cell with an uncalibrated fuel gauge IC shows 25% state-of-charge on screen while the actual cell voltage drops below the BMS cutoff threshold under load — triggering an abrupt shutdown. One full discharge-to-shutdown, then full charge cycle recalibrates the coulomb counter. After that, reported percentage and actual cell voltage track together correctly.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eUSB fast charge not activating after battery swap\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eOn the first charge cycle after a cell replacement, the charge IC defaults to standard 5V \/ 1A input until it completes an internal handshake with the new BMS. This is a safety hold — not a fault with the battery or charger. Complete one full standard-current charge cycle first. Fast charging typically activates automatically from the second cycle onward once the charge IC registers the new cell as stable.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43391986335834,"sku":"BWCS-WKV310SL-1","price":26.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43391986368602,"sku":"BWCS-WKV310SL-2","price":30.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43391986401370,"sku":"BWCS-WKV310SL-3","price":33.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-WKV310SL-1.webp?v=1779142738","url":"https:\/\/batteryweb.com\/products\/wiko-view3-pro-replacement-battery-38v-3900mah-li-polymer","provider":"BatteryWeb","version":"1.0","type":"link"}