Amazon.com: Synergy Digital Replacement Battery, Compatible with Radio Shack 23-144 Replacement Combo-Pack Includes: 2 x ALK-12V Batteries : Electronics
Ultralast UL23A 12-Volt Battery - Walmart.com
RadioShack AA Ni-MH Rechargeable Batteries, 2500 mAh (4-Pack)
Amazon.com: RadioShack 23A, 12V (12 Volt) Alkaline Battery for Remote Controls - 1 Pack : Health & Household
Amazon.com: Synergy Digital Replacement Battery, Compatible with Radio Shack 23-144 Replacement Combo-Pack Includes: 2 x ALK-12V Batteries : Electronics
Alkaline battery for A23, 23A, MN21, and others AL-0025 Alkaline-Manganese Dioxide (Zn/MnO2)
Amazon.com: Synergy Digital Replacement A23 Battery, Compatible with Radio Shack 23-144 Replacement, (Alkaline, 12V, 33 mAh) Battery : Health & Household
Eveready A23 Batteries (2-Pack), 12V Miniature Alkaline Specialty Batteries A23BPZ-2 - The Home Depot
What are 12V 23A batteries and why are they used? - Quora