The Energizer A23 is a one-pack, 12V miniature alkaline specialty battery for compact electronic devices. Its manganese dioxide (MnO2) chemistry is designed for electronic applications that may require high-rate pulses.

Power for everyday controls and devices

Use this A23 battery in compatible Bluetooth devices, cameras, security systems, garage door openers, and keyless-entry systems. Energizer identifies it as a replacement for 1181A, A23BP, DL21, DL23, MN-21B, MN21, and V23GA specialty batteries.

Technical details

The A23 has a nominal voltage of 12V and a typical capacity of 50mAh to 6.0V when rated at 20K ohms at 21C. It has a typical weight of 8.0g (0.3 oz.) and contains zero mercury.