This popular 27A small battery is commonly used to power remote controls such as remote car alarm controls, garage doors, burglar alarm remote controls and cigarette lighters.
Specification:
Type: Alkaline
Voltage: 12V
Length: 28.0 mm
Diameter: 7.7 mm
Also known as V27GA, 27A, LR27, G27A, MN27, GP27A, A27, L828, EL812, EL-812, CA22, Bronica B-1.