A23 12 Volt Alkaline Manganese Battery This battery is commonly found in car alarms, keyless entry remotes, garage door openers, Bluetooth headsets and electronic dog collars. 12V is typically derrived from stacking four 3V button cell batteries.Specifications Nominal voltage: 12 V Nominal capacity: 55 mAh Consumer tip Size: 10.3mm diameter x 28.5mm Long Other names: A23, 23A, 23AE, GP23A, V23GA, 8LR932, 8LR23, MN21, L1028, ANSI-1181A, L1028F
