{"product_id":"pantech-vega-6-replacement-battery-37v-2700mah-li-ion","title":"BAT-7400M Pantech Vega 6 Replacement Battery 3.7V 2700mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003ePantech Vega 6 \/ Vega N6 — 3.7V Li-ion Replacement Battery (BAT-7400M)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis is a 3.7V, 2700mAh Li-ion replacement battery for the Pantech Vega 6, Vega N6, IM-A860K, and A860S 4G. It slots in where the original BAT-7400M sits and restores power to a device that has lost capacity through repeated charge cycles. Voltage and cell dimensions match the original spec: 67.30 × 52.70 × 5.95mm.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eVega 6 \/ N6 platform fit:\u003c\/strong\u003e\n    The IM-A860K and A860S 4G share the same battery bay, connector pitch, and BMS handshake protocol as the Vega 6. One cell fits all variants in this cluster 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 charge, standby, and load draw. The BMS engaged overcurrent protection at the expected threshold and the protection circuit cleared cleanly on reconnect.\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 and run one full discharge-charge cycle. This lets the fuel gauge IC map the new cell's discharge curve before high-current charging pushes into an uncalibrated state.\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 Vega 6 after a cell swap\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eThe Vega 6 fuel gauge IC holds the old cell's discharge curve in memory after a swap. When the phone hits a load spike — LTE radio handoff or screen-on burst — the new cell's actual voltage drops below what the IC expects at that state of charge. The phone reads this as a critical low-voltage event and cuts power even though the displayed percentage still shows 20–30%. One full discharge to automatic shutdown, followed by a full charge to 100%, resets the coulomb counter against the new cell curve.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eOS percentage jumping erratically in the first two days after replacement\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eErratic percentage jumps — 60% dropping to 40% in minutes, then correcting upward — happen because the fuel gauge IC is still referencing calibration data from the worn cell. The new cell has a steeper, cleaner discharge curve, and the IC has not yet built a model for it. This is not a fault in the replacement cell. Two full discharge-charge cycles bring the reported percentage in line with actual capacity.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43404323258458,"sku":"BWCS-PTA860XL-1","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43404323291226,"sku":"BWCS-PTA860XL-2","price":33.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43404323323994,"sku":"BWCS-PTA860XL-3","price":37.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-PTA860XL-1.webp?v=1779369778","url":"https:\/\/batteryweb.com\/products\/pantech-vega-6-replacement-battery-37v-2700mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}