... battery charger model:GCA series commutate bettery charger input voltage : 220 V or 380V charging current:3A,5A,10A,20A,300A BETTERY CHARGERGCA series commutate battery charger ... 380V(three-phase)±10%Charging current3A,5A,10A,20A,30A,50A,80A,100A,200A,300ACharging voltage12V,24V,36V,48V,60V ... Operation modeContinuously for ling periodStanderd charging10% of the battery capacity is best battery charger