Amazon.com: Synergy Digital A23 Batteries, Compatible with Radio Shack 23-144 Battery (Alkaline, 12V, 33mAh) Combo-Pack Includes: 2 x A23 Batteries : Health & Household
Amazon.com: Energizer Alkaline Batteries A23 (2 Battery Count) - Packaging May Vary : Health & Household
Amazon.com: Energizer A23BP2-4PACKS Battery, 12 V (Pack of 4) : Health & Household
Amazon.com: Synergy Digital Energizer A23 Batteries, Compatible with Duracell MN21/23 Replacement, (Alkaline, 12V, 33 mAh) Ultra High Capacity, Combo-Pack Includes: 6 x A23 Batteries : Health & Household