A23 Battery 12V Alkaline 55 mAh - 5-Pcs Pack - for Garage Doors Opener, Ceiling Fans & Wireless Doorbells Remotes Type: 12 Volt MN21 23GA 21/23 GP23AE A23G A23S - 2 Years Warrantee - Genuine KEYKO $5.35 B00IO3G7O8