I have had a battery tester for over 16 years. I have several including the old dead short style. We have over 25 batteries that I have to work with around the yard and I constantly need to diagnose charging and battery issues and be able to test each one and identify them for each unit in a detailed report. It is much easier. Accuracy is what I see between the 6 different stress testers I have. I've included photos of the readings between what I had and before. It's definitely handy to be able to just toss it in your door pocket and carry it around. It looks bigger in the photos, but that's enough. The app is easy to navigate and connects to my iOS devices very easily. Ben has already recommended him to friends.
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