23A X 12v battery Alkaline Batteries Pack of 10 (also known as 23A / 23AE / MN21) batteries 1.5V by GP Batteries Type 23AX 12V Cell Size Extra Alkaline: Amazon.co.uk: Electronics &
Card of 5 Vinnic 23A ( L1028F ) 12 Volt Batteries: Amazon.co.uk: Electronics & Photo