Item #: BATTERY-CHECKER
NOTE: Color may vary (Black or Blue).
This Digital Battery Checker and Keychain is a convenient and portable way to test your hearing aid batteries on the go. Simply place the battery positive side down on the tester and the display will show the current charge level. This convenient battery tester is perfect for testing Zinc Air batteries and includes a chain for easy attachment to key rings or bags.
For Zinc Air, 1.4V Hearing Aid Batteries. Digital Readout, keychain style. Also has a drawer that can hold two batteries for a quick replacement when the one you are using runs out.