1. test polymer li-ion battery, NI-MH battery, Ni Cd battery, power, adapter, power bank. 2. charging and discharging functons About RFNT4 Universal tester:RFNT4 ... with us.Features1. Support polymer li-ion battery, NI-MH battery, Ni Cd battery, power, adapter2. Supply for charging, discharging, battery testing, power/adapter testing, internal resistance testing ...