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This is a 12V 100Ah lithium iron phosphate battery built for dual duty: deep-cycle power for trolling motors and RV house loads, plus 900 cold cranking amps for starting engines. It adds self-heating below freezing, a 200A BMS, Bluetooth monitoring and a forced-start button for emergency surges. That combination of cranking power, cold-weather heating and app monitoring is rare in a 100Ah LiFePO4 pack, where most rivals are deep-cycle only. It suits boaters, RVers and off-grid users who face cold mornings and want one battery for both starting and running loads.
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This is a 12V 100Ah LiFePO4 lithium battery that works for both engine cranking and deep-cycle use. It powers trolling motors and marine electronics, and it can start marine and automotive engines. The listing is for a 3-pack.
A built-in 200A battery management system (BMS) protects against overcharging, over-discharging and short circuits. The battery is ABYC certified and has an IP67 rating. A self-heating function turns on when the temperature falls below 0°C/32°F and warms the battery to 5°C/41°F.
The battery rates at 900 cold cranking amps, and a forced start button gives an emergency boost if the battery cannot start the engine. Bluetooth connects it to the WattCycle app, where you can monitor battery health, charge status and usage. It is rated for a 10-year lifespan and over 6,000 deep cycles at 80% depth of discharge.
