Duracell Specialty 357/303 Button Silver Oxide batteries are made for reliable, long-lasting power for your specialty devices. They have up to 3 years of in-storage guarantee with Duralock Power Preserve technology, so you can be confident these Silver Oxide Button batteries will be ready when you need them. They are designed for use in watch, calculators, medical devices (insulin pumps, digital thermometers).
- Long-lasting power, guaranteed
- Easy to find right size