How about the Vident IBT100 car battery tester? Here have collected some customer reviews and frequently asked questions. Hope it helps! 1.Vident IBT100 Review: Review 1: Awesome battery tester that works quick and accurate This ibt100 tester is super easy to use and it works real well. Basically you just connect it and press the buttons and select the type of battery and how many cold cranking amps and you're done. Review 2: Works perfect I had a suspected dead battery that I charged and this ibt100 tester told me it had zero cranking amps. so I went out to my car with a brand new battery and it gave me the same reading. I'm going to order one more to see if it's just the defective the unit. Second unit came today and same thing gave a few erratic readings. The manufacturer has reached out to me and offered to ship me a free unit to test. I will update this once I receive that. UPDATE manufacturer sent me a unit and this one works perfectly. I'm not...
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