Amazon.com: Renata Batteries 393/SR754SW 1.5V Watch Battery (Pack of 3) : Health & Household
Amazon.com: Duracell 309/393 Silver Oxide Button Battery, 1 Count Pack, 309/ 393 1.5 Volt Battery, Long-Lasting for Watches, Medical Devices, Calculators, and More : Health & Household
3.85V Original size Battery 3000mAh QK-393 Replacement Battery For 360 N4/1503-M02/1503-A01 Batterie
Amazon.com: Duracell 309/393 Silver Oxide Button Battery, 1 Count Pack, 309/ 393 1.5 Volt Battery, Long-Lasting for Watches, Medical Devices, Calculators, and More : Health & Household