BPS4-6 7.2V NiCd D S6 D Stick Cell : 7.2V 4000mAhUsage and Composition Emergency Lighting, Memory Backup Systems, Professional lighting, Emergency Medical Equipment Security Services Nickel Cadmium (NiCd) Battery Specifications Voltage 7.2V Nominal Capacity 4000mAh Physical Dimensions Size D X 6 Stick Width 33mm Height 360mm Weight 750g