GCA type (by manual)battery Charger GCA type (by manual)battery ChargerGCA 6-12V/5A, 10A,15A,20A,30A, ... for safety lighting Parameters:Input voltage: 220V±10%Charging modes: manual switching for GCAFrequency: 50Hz -60HzCharging voltage: 6V, 12V, 24V, ... 36V, 48V, 72VAmbient temperature: 10±40°COverall temperature rise: ≤60°CRelative humidity: 80%Switching of charging voltage: GCA exchangeable GCA ...