BAT4AAS 4.8V NiMh AA S4 AA Stick Cell : 4.8V 800mAhUsage and Composition Emergency Lighting, Two Way Radios, Memory Backup Systems, Professional lighting, Emergency Medical Equipment Security Services Nickel Cadmium (NiCd) Battery Specifications Voltage 4.8V Nominal Capacity 800mAh Physical Dimensions Size AA X 4 Stick Width 14.5mm Height 200mm Weight 100g