This battery load tester provides simple instructions for checking the condition of a CCA battery compared to when it was new. I bought this to test a 6 year old Optima battery that was dying. After charging the battery and comparing it to a one year old battery purchased at Walmart, I was surprised when the tester showed that both batteries were basically the same condition. From now on, whenever I need to buy a new battery, I'll take it with me to check the status of the "new" battery. I would recommend this product for the price, features, and convenience that it packs into a small package.
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