... no grade.When storage cell is first electrified,it adopted constant current electrified way and as it is bout to be full ... ,it changed into current coltage electrified until it is full.The machine has the ... Index Input voltage 220V or 380V(three-phase)±10%Charging current 3A,5A,10A,20A,30A,50A,80A,100A,200A,300ACharging ...