Energizer A23 12V alkaline battery from a brand you can trust to last. These high voltage batteries are used in a wide variety of devices such as keyfobs, door alarms, door chimes, security devices, cameras and many more. Features --Expiry Date 2028 --3 Packs of 2 Batteries --Blister Packed --Replaces: A23, 23A, MN21, LRV08, K23A, E23A, L1028, RV08, GP23A Battery Ref Number Battery Voltage Battery Composition Battery Diameter Battery Length A23 / 23A 12V Alkaline 10.3mm 28.5mm Delivery Information Same Day Dispatch We don't like to keep you waiting for your items so all orders placed before 2.45pm will be dispatched the same working day (Mon-Fri). If placed after 2.45pm your order will ship the next working day. Customer Enquiries .