{"product_id":"magellan-trx7-replacement-battery-37v-3800mah-li-polymer","title":"Magellan TRX7 GPS Replacement Battery 3.7V 3800mAh","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eMagellan TRX7 — 3.7V Li-Polymer Replacement Battery (N496)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 3.7V, 3800mAh Li-Polymer cell replaces the N496 battery in the Magellan TRX7 portable GPS navigator. It restores full operating power to the TRX7 for outdoor navigation, trail mapping, and route tracking. Dimensions are 96.80 × 56.40 × 5.35mm — match these against your original cell before fitting.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eTRX7 fit:\u003c\/strong\u003e\n    The N496 battery uses a flat Li-Polymer cell format specific to the TRX7 chassis. The connector pinout and BMS handshake are matched to the TRX7's power management board, so the device reads state-of-charge correctly from the first power-on.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We cycled this cell through charge and discharge on the bench. The BMS held the low-voltage cutoff cleanly and the TRX7 reported accurate charge levels throughout — no false full readings at the top of the cycle.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eFirst cold start after fitting:\u003c\/strong\u003e\n    After fitting this cell, power the TRX7 on outdoors and let it acquire a satellite fix before use. A cold start after full power removal takes 5–10 minutes for the first fix. Subsequent warm starts drop to under a minute once almanac data is cached.\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003chr class=\"bpw-desc-divider\"\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eGPS accuracy reduced as the TRX7 battery drains\u003c\/h3\u003e\n\n  \u003cp class=\"bpw-desc-p\"\u003eSome GPS units step down receiver sensitivity when battery voltage drops below a set threshold. The TRX7 GPS receiver draws consistent power during active navigation, but at low battery the device may reduce RF gain to protect remaining charge. This shows up as weaker satellite signal bars and occasional position drift. Keeping the cell above 3.5V during active use avoids the threshold where sensitivity reduction kicks in.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eTRX7 shuts off without low-battery warning\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eAfter a battery swap, the TRX7's charge indicator can be uncalibrated against the new cell. The device reads the fuel gauge from a learned discharge curve tied to the old cell. With a fresh cell, the voltage-threshold trigger for the warning can fire late, giving little or no visual alert before cutoff. Run two full charge-discharge cycles to let the TRX7 recalibrate its indicator — after that, the low-battery warning should appear at approximately 3.55V.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43377577951322,"sku":"BWCS-MRX700SL-1","price":35.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43377577984090,"sku":"BWCS-MRX700SL-2","price":41.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43377578016858,"sku":"BWCS-MRX700SL-3","price":45.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-MRX700SL-1.webp?v=1778771653","url":"https:\/\/batteryweb.com\/products\/magellan-trx7-replacement-battery-37v-3800mah-li-polymer","provider":"BatteryWeb","version":"1.0","type":"link"}