1. test polymer li-ion battery, NI-MH battery, Ni Cd battery, power, adapter, power bank. 2. charging and ... . Support polymer li-ion battery, NI-MH battery, Ni Cd battery, power, adapter2. Supply for charging, discharging, battery testing, power/adapter testing, ... chargeBattery goes into constant voltage charge, when battery voltage up to battery saturation voltage, now current will be decreasing ...