Duracell Cylindrical Battery, Alkaline-Manganese Dioxide, 1.5 VDC Nominal Voltage, 1175 mAh Nominal Capacity, AAA, 1.5 VDC Discharge Cut-Off, 250 mOhm Internal, Button Top Terminal, 6 - 8 Years Shelf Life, Life Hour: 5 hr, 44.5 mm height x 10.5 mm Width x 44.5 mm D