... .Output voltage : 12V,24V,48V,60V,72V General Features for li-ion li-polymer battery charger : 1,Ac input: 110Vac or 220Vac as per ... color. Also supply OEM service as per customers' required colors.7,Over current,over voltage.over temperature,short circuit and reverse ... electric shocked 24V 36V 48V 20A 25A 30A high power li-ion li-polymer battery charger