null

Hearing Aid Battery Tester Keychain

$13.99

<p><span>This small, lightweight hearing aid battery tester works great and is easy to use on-the-go.&nbsp;Simply place your battery on the metal plate, + side up, and slide the battery towards the screen to meet the metal bar. The screen will light up indicating the remaining power. Includes slot to hold two extra batteries. Works with all hearing aid battery sizes.</span></p>