gold peak - 23a alkaline batteries - 5 pack
the shape and aspect ratio of the a23 battery are similar to those of a common aa battery . however an a23 battery is much smaller than even an aaa battery measuring only 29 mm long and about 10 mm in diameter with a typical weight of 8 grams . an a23 battery is a dry cell-type battery mainly used in small electronic key fob devices such as keyless vehicle entry systems home security systems and garage door openers .