... :GCA series commutate bettery charger input voltage : 220 V or 380V charging current:3A ... ,5A,10A,20A,300A BETTERY CHARGERGCA series commutate battery charger is composed with rectifier transformer,bridge type controlled recifier ... ,motor car,etc.Technical Index Input voltage220V or 380V(three-phase)±10%Charging current3A,5A,10A,20A,30A,50A, ... charging10% of the battery capacity is best battery charger