Amazon.com: Energizer Battery 357BPZ-3 Watch/Calculator Button Cell Battery with Zero Mercury - Card/3 (Pack of 10) total of 30 batteries. : Health & Household
Renata 1.55V 357/303, LR44 Silver Oxide Coin Cell Battery - SMC357 at Batteries Plus
Energizer 357/303 Silver-Oxide 357 Coin Batteries (3-Pack) at Lowes.com