Amazon.com: Synergy Digital Replacement Battery, Compatible with Radio Shack 23-144 Replacement Combo-Pack Includes: 2 x ALK-12V Batteries : Electronics
Amazon.com: CELEWELL A23 23A Alkaline (5-Pack) Battery Same as 23AE L1028 MN21 【5-Year Warranty】 : Electronics
Amazon.com: Energizer Alkaline Batteries A23 (2 Battery Count) - Packaging May Vary : Health & Household
Amazon.com: Amazon Basics 4-Pack 23A Alkaline Battery, 12 Volt, Long-Lasting Power : Health & Household