Dual Purpose Use: This LiFePO4 lithium battery delivers 1000CCA to start vehicle engines. It also provides a 105Ah capacity to power car refrigerators, vehicle air conditioners, trolling motors, fish finders, solar panels, and more

BMS Protection: Equipped with a dynamic BMS, this deep cycle LiFePO4 lithium battery provides secure operation with overcharge, over-discharge, overcurrent, short circuit, low-temperature, and high-temperature protection

Bluetooth Support: This lithium car starter battery supports Bluetooth connectivity for real-time app monitoring of capacity, voltage, current, power, cycles, temp, and BMS status. Plus charge/discharge switch and current/voltage calibration control

ERM Function: The lithium car starting battery automatically preserves 10%–15% power to ensure reliable engine starts. It helps avoid situations where deep discharge leaves insufficient energy to crank the engine

Battery Size Fitment: This Group 24 lithium marine cranking battery measures 10.24 x 6.81 x 8.86 in (260 x 173 x 225 mm). Please measure your old battery and compare it to ensure compatibility. Any original battery larger than these dimensions will fit