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).