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The hearing aid battery tester from Powerone is one of the few tools that can check battery life. This smart accessory can ideally be placed on your keyring and is small enough for pockets and bags. You can check the life of any size battery including:
You may also be interested in: How long do hearing aid batteries last?
The hearing aid battery tester was designed so you can check new batteries you've ordered, as well as test older batteries that you've been storing. Most hearing aid batteries have a long shelf-life of up to four years, but it's always wise to check for duds!
What Is It?
What Does It Do?
Can Be Used With:
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