The A23 battery (also referred to as 23AE, GP23A, V23GA,[1] LRV08,[2] 8LR932,[3] 8LR23, MN21, L1028 or ANSI-1181A) is a dry battery consisting of eight LR932 cells, with a nominal voltage of 12 V.
It is mainly used in small electronic keychain radio devices, such as keyless vehicle entry systems, home security systems, garage door openers, and Bluetooth headsets.[4]