Why are dozens of 18650s the best solution for high watt projects/products? Like, I’m sure the Tesla battery isn’t just a thousand 18650s, so why do so many (diy projects and professional products alike) just scale up by adding more of these relatively tiny lipstick-tube sized cells?
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Everyody so far is right, and there’s another reason: batteries fail. If one of your hundred or so cells fails, you change it for 5 bucks. If your single huge battery fails…
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