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Rayovac LCD keyring hearing aid battery tester


Rayovac LCD keyring hearing aid battery tester


£3.31 (£2.76 ex VAT)
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This Rayovac LCD battery tester with its bar display is handy for use as a quick check. It also comes complete with a sliding storage drawer for two spare batteries. The keychain allows you to keep the tester on a keyring or to hang it on a bag.

Use this device to quickly determine approximately how much power is left in the hearing aid batteries. The digital LCD display uses a bar graph to how the charge state of the battery.

Suitable for all common hearing aid battery sizes (batteries not included). 

Help Centre

How to test:

Remove tab and place battery onto the testing surface with the positive (+) pole upwards. Push and hold the battery against the contact for about 3 seconds. The bar graph display screen will show if the battery is charged.



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