Energizer Battery, Non-Rechargeable, Alkaline, Zinc, Manganese Dioxide, D Battery, 20.5 Ah Battery, 1.5 V Battery, Flat Contact Terminal, 500 mA Maximum Discharge, 0.8 V Discharge Cut-Off, 10 years Shelf Life, 0 to 130 deg F Operating, Dimensions: 2.421 in L x 1.346 in W
Unit: BX 12