BPS4-2 2.4V NiCd D S2 D Stick Cell : 2.4V 4000mAhUsage and Composition Emergency Lighting, Memory Backup Systems, Professional lighting, Emergency Medical Equipment Security Services Nickel Cadmium (NiCd) Battery Specifications Voltage 2.4V Nominal Capacity 4000mAh Physical Dimensions Size D X 2 Stick Width 33mm Height 118mm Weight 244g