Alkaline Battery, Non-Rechargeable, Zinc-Manganese Dioxide (Zn/MnO2), 1.5 V Nominal, 20.5 A-hr Nominal Capacity, D, Flat Contact Terminal, 10 yr at 21 deg C Shelf Life, 1.346 in Dia x 2.421 in H, Plastic Label Jacket, 0 - 130 deg F Operating