Energizer Energizer 392 Silver Oxide Button Battery, 1 Pack 392BPZ - The Home Depot
LR41 AG3 15 Volt Alkaline 20 Batteries Fits 392 192 SR41 384 736 L736F Full List Below - Newegg.com
Amazon.com: Tenergy 1.5 Volt Battery Button Cell LR41, ag3 Batteries Equivalent, Ideal for thermometers, Watches, Laser Pointers, Small Toys, Portable Electronics, and More - 40 Pack : Health & Household