Add to your device the long-lasting power and performance you expect with Duracell Hearing Aids batteries. With +50% extra life* our batteries have a tab which make them easy to apply to your device and they are stored in a 100% recyclable packaging. With Duracell hearing aids batteries, you have 4 years in storage guaranteed**, so you can be confident these batteries will be ready when you need them. (*vs. EIC Minimum Usage Duration Service hours for cell size 13. Results may vary form device and usage pattern. **ambient storage.)