... ion battery, NI-MH battery, Ni Cd battery, power, adapter, power bank. 2. charging and discharging functons About RFNT4 ... batteries , like electric tools batteries, laptop batteries, mobile power bank batteries, DV batteries ,Camera batteries ,AAA batteries , ... 3ADisplay mode;Segment LCD with white backlight + LED in red and greenDischarge modeConstant current discharge, system support 1000mA Max ...