... current:3A,5A,10A,20A,300A BETTERY CHARGERGCA series commutate battery charger is composed with rectifier transformer,bridge type controlled recifier and ... Input voltage220V or 380V(three-phase)±10%Charging current3A,5A,10A,20A,30A,50A,80A,100A,200A,300ACharging voltage12V,24V,36V,48V ... ≥90%Operation modeContinuously for ling periodStanderd charging10% of the battery capacity is best battery charger