Amazon.com: Bluedot Trading 12 Volt, Alkaline Dry Cell 23A Battery for Garage Door Opener, Wireless Doorbell, Keyless Entry Remotes, and Other Electronic Devices, Quantity 4 Count : Health & Household
Amazon.com: Synergy Digital Replacement Batteries, Compatible with GP 23A Replacement, (Alkaline, 12V, 33 mAh), Combo-Pack Includes: 5 x A23 Batteries : Health & Household
Amazon.com: PKECLL 23A 12 Volt Battery, 15 Pack A23 Battery for Garage Door Openers Ceiling Fan Remotes Doorbells (15 Pack)