BPF4-3 3.6V NiCd D Sol3 D Soldier Cell : 3.6V 4000mAhUsage and Composition Emergency Lighting, Memory Backup Systems, Professional lighting, Emergency Medical Equipment Security Services Nickel Cadmium (NiCd) Battery Specifications Voltage 3.6V Nominal Capacity 4000mAh Physical Dimensions Size D X 3 Soldier Width 99mm Height 60mm Weight 366g