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- UNIVERSAL USE - Works with all types of hearing aid batteries
- EASY & QUICK - Place battery on metal testing surface, push battery against the tester, and the results will show
- ACCURATE - Battery tester will tell you if your batteries are good or bad.
- HANDY BATTERY DRAWER - Integrated two battery holder in tester.
- SAVE - Helps prevent you from throwing away batteries that are still good.
- choosing a selection results in a full page refresh