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A pair of 12V 100Ah lithium iron phosphate deep-cycle batteries built for solar, RV, marine and off-grid storage. Each has a 100A BMS, an LCD state-of-charge readout, Bluetooth monitoring and automatic self-heating that kicks in below about 34°F so charging stays safe in cold weather. Grade A cells are rated for 4000+ cycles and a 10-year-plus life, backed by a 5-year warranty. Against flooded and AGM lead-acid rivals they are lighter, cycle far longer and need no maintenance, though they cost more up front and cold-weather charging depends on the heater.
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Lowest price we've seen: $368.99 on Nov 12 at Amazon. Tracked across 1 store since Nov 12.
This is a set of two 12V 100Ah LiFePO4 deep cycle lithium batteries. They use automotive-grade Grade A cells certified to UL1973. The cells are rated for 4000+ deep cycles and a lifetime of more than 10 years.
A built-in 100A BMS protects the battery from overcharging, over-discharging, over-current, short circuits and high temperature. An LCD display shows battery voltage and state of charge. A Bluetooth module lets you monitor real-time battery information on a mobile device.
A self-heating function turns on automatically when the battery's core temperature drops below 33.8°F (1°C). It stops when the temperature reaches 42.8°F (6°C), so the battery can keep charging in cold weather. The batteries can be connected in 12V, 24V or 48V configurations, or in parallel for more capacity. Uses include RVs, vans, solar systems and camping.
