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Certified Automotive Grade in a 100%-0% 200Amp Discharge Test. Surprised?


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Very interesting comparison between different classes of LiFePO4 cells.

So far, we could only test certified cells with a maximum current of 40A and compare them to not certified cells, so called B-grade or storage grade cells. The results did not show any advantage for the more expensive certified cells, in fact, some of the B-grade cells tested actually better... Now, some say the certified cells are a lot better with high amp discharge, holding the voltage better, delivering more energy than other cells. Well, without further to-do, here is the ultimate 200A+ full power discharge test from 100%SOC down to 0%SOC and my final verdict and thoughts about certified automotive grade batteries...


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