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The Vatrer 12V 300Ah is a lithium iron phosphate (LiFePO4) deep-cycle battery with a built-in self-heating system and a 200A battery management system. It stores 3.84kWh and delivers up to 2,560W of continuous output, so it can run an inverter, a fridge, a coffee maker and cabin loads together. The self-heating feature lets the battery accept a charge in freezing weather: below 32°F the BMS sends charging current to the heater first, then switches to normal charging once cells pass 41°F. It suits RV boondockers and off-grid cabin owners who camp or live in cold climates and want a large reserve without a generator. Against plain 100Ah heated batteries it offers roughly triple the capacity and a stronger BMS; against unheated 300Ah rivals it adds cold-weather charging but costs more and weighs more.
Availability unknown
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 deep-cycle battery with built-in self-heating, made for RV and off-grid use. It stores 3.84kWh of energy. The listing is for a 10-pack.
When a charger is connected and the cell temperature is at or below 32°F, the BMS sends charging input to the heating system first. Once the temperature rises above 41°F, heating stops and normal charging begins automatically. The built-in 200A BMS supports up to 2,560W of continuous output.
The battery can be charged from a LiFePO4 battery charger, solar panels with an MPPT controller, or a DC-to-DC setup that uses vehicle power. Bluetooth monitoring through the Vatrer app shows state of charge, voltage, current, temperature, and operating status. The battery can be installed horizontally or vertically. The ABS case is IP65-rated against dust and moisture. The battery is rated for 4,000+ cycles.
