Features: 3 independent charging ports. High Power and high performance circuit. Individual voltage balancer for Lithium battery inside. Balance individual cells on discharging. Accept various types of battery: LiIo, LiPo, LiFe, NiMH, NiCD, Pb. Fast and storage mode of Lithium battery. Maximum safety: delta-peak sensitivity, auto-charge current limit, capacity limit, processing time limit, temperature limit, input voltage monitor, automatic cooling fan. Can store 5 data of different batteries. Perform 1 to 5 cycles of charge>discharge or discharge>charge continually for battery refreshing and balancing.