How to Use a Hearing Aid Battery Tester

This video describes how to use a hearing aid battery tester to determine if your hearing aid batteries still have life.

[@ronmartinmhg2804]

You have just answered my question. What was the drawer on the reverse side for? Battery storage.

[@luchorobledo777]

thank you

[@bestamerica]

'
blue 675 is the best hearing aid battery...
where can i get the device hearing aid tester

[@friendsonearth]

How come I can't use voltmeter to test it