This battery tester is so easy to use. I had a different kind and I had to hold the battery in my fingers between two metal poles to test it. This was truly not ideal. This battery tester has specific spaces for different batteries, (AAA, Aa, etc). All you have to do is put the battery in its appropriate slot and the tester responds with the amount of charge left in the battery. I cannot express how much easier that is than the old one I had. I would recommend this battery tester to anyone. Oh, and as bonus, they supply the battery needed to make it work!
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