Energizer 357/303 Silver-oxide 357 Coin Batteries (3-Pack) at Lowes.com
Amazon.com: Energizer LR44 Battery, Silver Oxide 303, 357, AG13, or SR44 1.5 Volt Batteries (1 Battery Count) - Packaging May Vary : Health & Household
Amazon.com: Duracell 303/357/76 Silver Oxide Button Battery, 3 Count Pack, 303/357/76 1.5 Volt Battery, Long-Lasting for Watches, Medical Devices, Calculators, and More : Health & Household