ADCO

This self-contained battery tester is also a battery holder AND a key chain. Carry in pocket or purse to test if your battery is weak, dead, or at ...

Pocket-size battery tester with keyring, and added extra snap cover battery case. The tester has a large LED which gives clear indication if batter...

Wondertool battery extraction tool is a unique tool that helps users get batteries into and out of hearing aids.