Duracell® Procell Cylindrical Battery, Zinc-Manganese Dioxide, 1.5 VDC Nominal, 7 Ah Nominal Capacity, C, 1.5 VDC Discharge Cut-Off, 150 mOhm Internal, Flat Terminal, 6 to 8 Years Shelf Life, 23 hr Life Hour, 26.2 mm Dia x 50 mm H