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Actually the low cost part of this was that they weren’t upgraded cells. Just tested-good cells from other battery packs. Most of the time it’s just a couple cells in the bigger battery that have issues, and they take those out of the pool and make a good amount of $$$ because we were required to send back all of our cells. Assuming that of the 26 (iirc) cells that 3 or 4 were bad that’s a big profit margin for sure. The car worked great after swapping them out.
Article is paywalled, but love the headline. Imagine a future with energy as an essentially free resource. We have a LONG way to go, but just the fact that we are moving in the right direction gives me a glimmer of hope for the future.