1. CPU controlling the process of charging and discharging.
2.Multiple protection of temperature, short-circuit and
3. Ni-CD, Ni-MH & Li-ion battery packs are all available.
4. Double colors LED indicating the charging and full charge state.
5. Charging current 500/1000mA, supplement current 20mA
6. Can charge six or only one battery packs at one time
7. Fit for different models of batteries.