Brand Name: Duracell *Battery Size: 12-Volt *Volts: 12 volt *Model Number: 21/A23 *Product Type: Security Battery *Number in Package: 4 pk *Battery Type: Alkaline *Battery Capacity: 50 mAh *Usage: Home Security *Rechargeable: No *PackagingType: Carded *Equivalent to: A23, 23AF, 23AE, V23GA *Discovery ACC, CON, NBR, SUP