... ion battery, NI-MH battery, Ni Cd battery, power, adapter, power bank. 2. charging and discharging functons About RFNT4 ... , adapter2. Supply for charging, discharging, battery testing, power/adapter testing, internal resistance testing, and voltage testing, capacity testing.3 ... by battery saturation voltageEnd of charge: When the current reduced to terminate current, Or e capacity reaches 100%Charge ...