About this item Automatic 12.8V-10A special charger with trickle charge for LifePo4 batteries with 12.8V rated voltage. Includes fused ring eyelet cable for fixed connection to the battery. Suitable for LifePo4 battery sizes: from 20Ah to 100Ah capacity. Program: the 8-stage automatic charging program has been specially adapted to the needs of lithium iron phosphate batteries (LiFePO4, also called LFP, LEP). It allows the maximum fast charging current from 10 amps to 90% charge. Memory function for safe charging after power failure. After re-power supply, the device starts automatically in the last used program. Camping function: as soon as the vehicle battery is removed when the engine is standing up, it is recharged programmed controlled. EIGHT CHARGING STEPS: 1 soft start, 2 quick charge up to 90%, 3 residual charge up to 95%, 4 capacity test, 5 supplementary charge, 6 optimisation, 7 charge retention, 8 reloads