GCA type (by manual)battery Charger GCA type (by manual)battery ChargerGCA 6-12V/5A, 10A,15A,20A,30A,40AGCA 6- ... ±10%Charging modes: manual switching for GCAFrequency: 50Hz -60HzCharging voltage: 6V, 12V, 24V, 36V, 48V, 72VAmbient temperature: 10±40°COverall temperature ... %Switching of charging voltage: GCA exchangeable GCA type (by manual)battery Charger