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"The importance of TeNS as an analgesic technique .. has been confirmed."
Johnson M I et al (1992) Journal of Orthopaedic Medicine

Battery Tester

For Testing Listening Aid and Hearing Aid Cell Batteries
keyring battery testerOur ingenious tester gets rid of the guesswork, so you don?t get your new and old batteries mixed up.

Test all five sizes of hearing aid cell batteries with this Keyring Battery Tester, so that you will always know when your hearing aid battery needs to be replaced.

Light and simple, yet strong and durable, small enough for your pocket, with storage space for up to two spare batteries.

The convenient keyring design means it's always at hand whenever and wherever you are.
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