Ever worried about where and when your batteries will run out? Ever confused about whether the batteries you’re putting in the remote are new or old? Well, now you can take the guesswork out of using your batteries with this convenient and portable Battery Tester. You can easily check AA, AAA, C, D, 1.5 and 9-volt batteries with this compact and accurate tester.
Battery Tester Fits on Any Keychain!
Simply line up the the plus and minus sides and the battery tester will immediately indicate the strength of the battery, with the LED lights showing “Strong,” “OK,” or “Weak.” If you’re constantly dealing with batteries, and need to know in a flash their strength for flashlights, remote controls, watches, toys, etc., now you can. Never guess again with this compact and accurate battery tester!
Easy to use