Universal Button Battery Checker Tester AA AAA C D 9V Don't Guess Which Batteries to Keep and Which to throw Away, Place your battery between the two points of the battery tester, and the easy-to-read display will tell you instantly whether you have a dud, or if you can eke out another few minutes of battery life. Checks power level of all 1.5V & 9V batteries Easy to read, colour coded meter indicates power level Tests 1.5V miniature cells Three result: red=replace, yellow=low power, green=good If needle does not move,check that battery is touching both contacts before assuming that it is completely dead.
Trustpilot
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