Eveready A23 Batteries (2-Pack), 12V Miniature Alkaline Specialty Batteries A23BPZ-2 - The Home Depot
Amazon.com: Synergy Digital Energizer A23 Battery Combo Pack Re-Pack - Pack of 2 12V Mercury-Free Alkaline Batteries Use for Headsets Garage Doors Remote Controls Home Security Systems Car Locking Device & More :