Amazon.com: HyperPS (Total 70 pcs) AG0 AG1 AG3 AG4 AG7 AG10 AG13 Alkaline Assorted AG 1.5V Button Cell Battery Single Use Watch Toys Remotes Cameras : Electronics
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 - 20 Pack : Health & Household
50Pcs AG1/AG3/AG4/AG10/AG12/AG13 Batteries Set for Watch Toy Clock Calculators Mixed Button Coin Cell Battery Set Wholesale - AliExpress
Battery Equivalent Size Charts - G&T's Original Warehouse