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Problem with powerwalls is they use lipo technology, so we are back to the use of rare metals with no recycling.
I believe the study with vehicle packs was done, but the source was biased IIRC and the conclusions suspect. Kinda big losses going back & forth between wall and pack.
There are many homes with whole house lead acid batteries in the 20+ kwh range in use right now.
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casual notes from the underground:There are some "experts" out there that in reality don't have a clue as to what they are doing.
Last edited by Piotrsko; 08-03-2018 at 03:30 PM..
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