Hillhater
100 TW
It seems there are several people building their own "Powerwall" type battery banks using "recycled" 18650s and a lot of solder !
https://youtu.be/0iukE6EgHCY
[youtube]0iukE6EgHCY[/youtube]
https://youtu.be/0iukE6EgHCY
[youtube]0iukE6EgHCY[/youtube]