Philips - 12V Alkaline Battery LR23A MN21 Blister*1

The LR23 battery is a dry cell battery mainly used in electronic key fobs for remote car entry, home security systems, garage door remotes, and Bluetooth headsets. An LR23 battery is cylindrical, smaller than an AAA battery, measuring 28.5mm in length and 10.3mm in diameter, with a typical weight of 8 grams. An LR23 battery consists of 8 cells with a nominal voltage of 12V. This higher voltage is necessary for devices transmitting and receiving radio frequency that A23 batteries usually power. It has a capacity of about 55 mAh. LR23 batteries are built with 8 individual alkaline button cells LR932 encased in a wrap. An LR23 battery is similar in size to the ’N’ battery, which has a voltage of 1.5 V.