At Duracell we believe in a high-quality circuit of trust with the people who depend on us to keep their lives charged. Duracell coin batteries are designed to power your specialty devices such as calculators car remotes and medical equipment with long-lasting sustainable power. This 3-count pack of batteries will last in storage for up to 3 years so you can be confident they will be ready when you need them. We re proud to offer you Duracell Silver Oxide Button Batteries as part of Duracell’s trusted lineup of batteries.