... 12V,24V,36V,48V,60V,72V,96V. 2,Charging Max Current: 10A,15A,20A,30A 3,Automatic charger ... 110V/220V voltage selector for charger can use both 110Vac and 220Vac.2,Efficiency: 85%-90 ... service as per customers' required colors.7,Over current,over voltage.over temperature,short ... battery.10,Operating temperature:0-50 ,Storage temperature:-10 - +60 . Please send me inquiry,any questions about battery charger ...