Inverter battery charger; 1.Input Voltage:AC 220V or 110V 50Hz /60Hz; 2.With 6V/12V or 12V/24V selector switch; Inverter battery charger1.Input Voltage:AC 220V or 110V 50Hz /60Hz;2.With 6V/12V or 12V/24V selector switch;3.Out voltage:AC 220V 50Hz 110V 60Hz;4.Over-current protection;5.With high-low/speed selector switch;6.Output power surge/current 6V/12V;20A; Inverter battery charger