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 All UK Hidden Hearing clinics will be closed on Friday 3 April, and on Monday 6 April in England and Wales only.

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.

Go back to hearing aid maintenance videos