TONSHEN 8 Bay/Slot Quick Battery Charger for AA/AAA Ni-Cd Ni-Mh Rechargeable Batteries The TONSHEN charger can charge 2 / 4 / 6 / 8 bay AA/AAA Ni-MH / Ni-Cd rechargeable batteries, Each tow slot share an indicator light. Charging by IC control, tieh-AV intelligent cut off the rapid charging function, automatic transfer to tricke-charging, insure ssafety usage. Such as lamp couldn't light up, indicating the battery has been damaged. When the system detects that the battery is fully charged, the red light will automatically be put out, To avoid overload. Input: 100-240V AC50/60Hz, Output: 2.4V DC 800mA. High temperature protection, when the temperature of the battery charger is greater than 60 ,Automatic cut off power supply. Constant current charging would protect the batteries against current fluctuation, Safe and reliable.