Amazon.com: Duracell 303/357/76 Silver Oxide Button Battery, 1 Count Pack, 303/357/76 1.5 Volt Battery, Long-Lasting for Watches, Medical Devices, Calculators, and More : Electronics
LiCB Pack of 20 LR44 Button Cell Batteries AG13 PX76A l1154f 357A 1.5 V Alkaline Battery 3 Year Shelf Life: Amazon.de: Electronics & Photo