Never wonder about the health of your batteries again. The Powertech Universal Battery Tester instantly measures the remaining power of virtually any battery you have at home, in your workshop, or in your camera bag. From AAA and coin cells to large Li-ion 32650 and 9V blocks, the B4 supports over 100 different battery types across 12 chemistries – all in one compact device.Simply power the tester with two standard AAA alkaline batteries (included), select the correct slot or use the flexible probe for cylindrical cells, and read the results on the large, backlit LCD display. You get both the exact voltage and a clear percentage reading, so you know at a glance whether the battery is still good, weak, or needs recycling.This unit is designed for ease of use: a single button lets you check the tester's own battery level, and the unit automatically powers off after a few seconds of inactivity to save energy. Its rugged build and precise measurement make it an essential tool for every household, office, or hobbyist.Say goodbye to dead-battery surprises – keep it in your drawer and always know what's good to go.
