BPS4-5 6V NiCd D S5 D Stick Cell : 6V 4000mAhUsage and Composition Emergency Lighting, Memory Backup Systems, Professional lighting, Emergency Medical Equipment Security Services Nickel Cadmium (NiCd) Battery Specifications Voltage 6V Nominal Capacity 4000mAh Physical Dimensions Size D X 5 Stick Width 33mm Height 300mm Weight 625g