{"product_id":"t-mobile-vibe-e200-replacement-battery-37v-800mah-li-ion","title":"T-Mobile Vibe E200 Replacement Battery Li3709T42P3h 3.7V","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eT-Mobile Vibe E200 \/ Beat — 3.7V Li-ion Replacement Battery (Li3709T42P3h504047-H)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.7V, 800mAh Li-ion cell for the T-Mobile Vibe E200 and Beat smartphones. It replaces the original cell when capacity has dropped, charge no longer holds, or the phone shuts down unexpectedly. Dimensions are 50 x 39 x 5mm — confirm these against your current cell before installing.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVibe E200 and Beat compatibility:\u003c\/strong\u003e\n    Both models share the same battery bay dimensions, connector pinout, and BMS handshake protocol — one cell covers either device without 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 load discharge on the Vibe E200 platform. The BMS negotiated charge termination correctly and held voltage above the modem-load threshold throughout the discharge curve.\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-to-charge cycle before normal use. This lets the fuel gauge IC map the new cell's discharge curve before high-current charging begins on 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\"\u003eSudden shutdown at 20–30% on the Vibe E200\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe Vibe E200 modem and display draw combined current spikes the original cell was tuned to handle. An aged cell's internal resistance rises, causing voltage to sag below the system cutoff threshold even when the fuel gauge still reads 20–30%. The phone treats the voltage drop as a hard low-battery condition and shuts off. A fresh cell with lower internal resistance sustains voltage through those load spikes — but the fuel gauge IC still needs one full calibration cycle to report the remaining charge accurately.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003ePhone won't power on after sitting in storage with a flat battery\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eIf the original cell self-discharged below approximately 2.5V during storage, the BMS locks out to prevent damage — and the phone appears completely dead. Connect the phone to a wall charger and leave it untouched for 20–30 minutes before attempting to power on. The charge IC trickle-charges the cell back above the BMS re-enable threshold, typically around 3.0V, before normal charging begins. If the screen shows no charging indicator after 30 minutes on the wall adapter, the original cell has likely failed and replacement is the next step.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43405069484122,"sku":"BWCS-ZTX990SL-1","price":22.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43405069516890,"sku":"BWCS-ZTX990SL-2","price":25.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43405069549658,"sku":"BWCS-ZTX990SL-3","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-ZTX990SL-1.webp?v=1779369935","url":"https:\/\/batteryweb.com\/products\/t-mobile-vibe-e200-replacement-battery-37v-800mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}