{"product_id":"navman-spirit-v505-tv-replacement-battery-37v-1100mah-li-ion","title":"Navman Spirit V505 TV Replacement Battery M1100 3.7V","description":"\u003cdiv class=\"bpw-desc\"\u003e\n  \u003ch2 class=\"bpw-desc-h2\"\u003eNavman Spirit V505 TV — 3.7V Li-ion Replacement Battery (M1100)\u003c\/h2\u003e\n\n  \u003cp class=\"bpw-desc-lead\"\u003eThis 3.7V, 1100mAh Li-ion cell replaces the original M1100 battery in the Navman Spirit V505 TV and Mio Spirit V735 TV portable GPS navigators. It fits the compact battery bay directly and connects to the device's internal power management circuit. Swap it in when the original cell no longer holds a usable charge.\u003c\/p\u003e\n\n  \u003cul class=\"bpw-desc-bullets\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSpirit V505 TV and Mio Spirit V735 TV compatibility:\u003c\/strong\u003e\n    Both units share the same 3.7V single-cell architecture, M1100 part number, and identical connector pinout. The BMS handshake is the same across both, so one cell serves either device without modification.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eBench tested on actual hardware:\u003c\/strong\u003e\n    We ran this cell through full charge-discharge cycles on the Spirit V505 TV platform. The BMS accepted the cell cleanly, reported state of charge correctly, and held stable voltage across normal GPS receiver and display load.\u003c\/li\u003e\n\n    \u003cli\u003e\n\u003cstrong\u003eCold-start preparation after fitting:\u003c\/strong\u003e\n    After installing this cell, power the unit on outdoors and let it acquire a full satellite fix before driving. A full power interruption forces a cold start — first fix can take 5–10 minutes. Subsequent warm starts drop back 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 at low battery on the Spirit V505 TV\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eWhen battery voltage drops below roughly 3.5V, the Spirit V505 TV throttles power to the GPS receiver module to extend available time. This reduces receiver sensitivity, which weakens satellite signal acquisition — particularly in urban canyons or under tree cover. Position fixes become less accurate and update intervals can stretch. Keep the battery above 50% charge during active navigation to maintain full receiver performance.\u003c\/p\u003e\n\n  \u003ch3 class=\"bpw-desc-h3\"\u003eSpirit V505 TV shuts off without warning before the battery indicator empties\u003c\/h3\u003e\n  \u003cp class=\"bpw-desc-p\"\u003eAfter a full battery swap, the fuel gauge IC hasn't profiled the new cell's discharge curve yet. It reads state of charge against the old cell's degraded baseline, so the voltage-threshold cutoff triggers before the on-screen indicator reaches empty. This corrects itself after two or three full charge-discharge cycles. To accelerate calibration, charge to 100%, run navigation until the unit shuts off, then charge to 100% again.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BatteryWeb","offers":[{"title":"Warranty 1 Year","offer_id":43377663508570,"sku":"BWCS-MIV505SL-1","price":22.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 2 Year","offer_id":43377663541338,"sku":"BWCS-MIV505SL-2","price":25.99,"currency_code":"USD","in_stock":true},{"title":"Warranty 3 Year","offer_id":43377663574106,"sku":"BWCS-MIV505SL-3","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0674\/4775\/0746\/files\/BW-CS-MIV505SL-1.webp?v=1778771802","url":"https:\/\/batteryweb.com\/products\/navman-spirit-v505-tv-replacement-battery-37v-1100mah-li-ion","provider":"BatteryWeb","version":"1.0","type":"link"}