CERTAIN CONTENT THAT APPEARS ON THIS SITE COMES FROM AMAZON SERVICES LLC. THIS CONTENT IS PROVIDED 'AS IS' AND IS SUBJECT TO CHANGE OR REMOVAL AT ANY TIME.
UNIVERSAL USE - Works with all types of hearing aid batteries.
EASY & QUICK - Place battery on metal testing surface, push battery against the tester, and the results will show.
Handy Battery Drawer - Includes an integrated 2 battery holder.
SAVE - Helps prevent you from throwing away batteries that are still good.