How to test your hearing aid batteries
1. Drop your hearing aid battery onto a hard surface from about 15–20 cm (6–7 inches).
2. If your battery bounces several times, it needs replacing. A new battery should settle on the surface quickly.
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White screen: How to test your hearing aid batteries |
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Hearing aid battery test. The new battery is fully charged and the old is low on battery. |
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The new and old batteries are both dropped. The old battery bounces when dropped, whereas the new battery lands firmly. |
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