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The Vatrer 12V 300Ah is a heated lithium iron phosphate battery built for RVs, travel trailers and off-grid cabins. It stores 3840Wh and delivers up to 2560W continuous through a 200A BMS, with a 90W self-heating system that kicks in below 32°F so it can charge in winter. Bluetooth lets you watch voltage, current, temperature and state of charge from the Vatrer app. Against rival 300Ah heated batteries it matches the usual BMS and heating features, and its edge is the phone monitoring; the trade-off is weight and the fact that heated lithium packs cost more than plain ones.
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Lowest price we've seen: $6,269.99 on Nov 11 at Vatrer. Tracked across 1 store since Nov 11.
This is a 12V 300Ah LiFePO4 lithium battery with a built-in self-heating system and Bluetooth monitoring. It stores 3840Wh of energy and is designed for RV, travel trailer, camping and off-grid power systems. It can run 12V loads such as fridges, lights, water pumps, fans, routers and inverter-supported appliances.
A built-in 200A BMS protects against overcharge, over-discharge, short circuit, overcurrent and high temperature. It also balances the internal LiFePO4 cells. The 90W self-heating system turns on when the battery temperature drops below 32°F and turns off at 41°F, so the battery can charge in cold weather.
The Vatrer app shows voltage, current, temperature and state of charge in real time over Bluetooth. The battery charges from a 14.6V LiFePO4 charger, RV solar panels or DC-DC charging while driving. The housing is rated IP65 for water and dust resistance.
