High Quality 23A 12v Alkaline High Voltage Battery as used in many Car Alarm Remotes, Burglar Alarm Systems, Cigarette Lighters, Garage Doors, Doorbell Pushes, as well as many other specialist applications. Full compatibility with 23AE, 23A, 8F10R, 8LR23, 8LR932, CA20, E23A, GP23A, K23A, L1028, LRV08, MN21, MS21, RVO8, V23GA, VR22, L1325, L1325F. Measures 10.22mm Diameter x 28.5mm Length. Single Use not Rechargeable.