Activair Battery Tester
$12.95
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This compact, ultra convenient hearing aid battery tester & storage unit lets you test any size hearing aid battery, and carry up to 6 extra batteries anywhere you want to go. Features Separate testing slots for each battery size: 10, 13, 312, and 675 Built-in storage compartment holds up to 6 extra batteries Never again leave home without a full battery!
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