Duracell MN21/23 Alkaline Batteries - For Car Alarm, Keyfob Transmitter, GPS Device, Remote Control, Child Locator, Motion Detector, Garage Door Opener, Door Lock, Security Device - 12 V DC - 1 Each - Filo CleanTech
Energizer A23 Alkaline 12 Volt Battery 20 Pack - Walmart.com
Eveready A23 Batteries (2-Pack), 12V Miniature Alkaline Specialty Batteries A23BPZ-2 - The Home Depot