Duracell SR621 1.5V silver oxide button battery Duracell Specialty 364 Silver Oxide batteries are manufactured to provide reliable, long-lasting power for your specialist devices. They guarantee up to 3 years of life if properly stored in the packaging so you can be sure of having your silver oxide button batteries ready to use when you need them. They are suitable for use in watches, calculators, medical devices (insulin pumps, digital thermometers). Characteristics Brand: Duracell EAN code: 5000394067790 Supplier code: SR621 Battery size: 364 / V364 / SR60 / SR621W  Battery type:   Disposable battery Battery technology:   Silver oxide Battery voltage:   1.5V