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Samsung’s 20-year-life EV battery runs 600 miles on 9-minute charge
(interestingengineering.com)
This is a most excellent place for technology news and articles.
That guy did not tear it down or do any testing or validation. This guy did and it was not what it was cracked up to be:
https://www.youtube.com/watch?v=-pu8hs6hmyk