27A 12Volts Alkaline Battery is a dry-cell-type battery used in some small remote controls and some cigarette lighters.

It is cylindrical, 27.8 mm long and 7.7 mm in diameter, with a typical weight of 4.4 grams, and a typical capacity around 20 mAh. It has a nominal voltage of 12 V. It is similar to the A23 battery, with almost the same length and the same nominal voltage, but thinner and made of eight LR732 button cells.

Suitable for: garage door openers, car remote control, key ring, wireless doorbells, ceiling fans, GPS tracker, home alarm system, security device, lighter, LED flashlight, toy, watch, razor, electronic dictionary, computer motherboard and more.

Battery life: from 1 to 2 years at room temperature.