For Household Electronics This 2 pack of A23 12V Alkaline Batteries from Energizer is made for household electronics that may require high pulse rates, as found with RF remotes used in keyless entry and garage door openers. Replacement for: 1181A, A23BP, DL21, DL23, MN-21B, MN21, V23GA batteries UPC: 039800110091 Chemistry Manganese Dioxide (MnO2) Capacity 45 mAh to 6.0 Volts (rated at 20K ohms at 21C) Output Voltage 12 volts Volume 0.07 cubic inches (1.10 cubic centimeters) Dimensions Battery dimensions fall within industry standards: Height: 1.08 to 1.12″ (27.50 to 28.50 mm) Diameter: 0.38 to 0.40″ (9.70 to 10.30 mm) Weight 0.3 oz (8.0 g) Packaging Info Package Weight 0.05 lb Box Dimensions (LxWxH) 3.6 x 1.9 x 0.5″ All product and company names are trademarks or registered trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.