MitchJi
10 MW
Looks like they are using plates with tabs instead of welding. If they start using these in production it should be possible to either use the parts or copy them to replace welding on diy packs.
Link to the patent application:
http://www.freepatentsonline.com/y2019/0312251.pdf
Link to the picture on my gdrive
https://drive.google.com/file/d/1YpWzRF71SebDDGAtWHk9ViCrcyu7LYPN/view?usp=drivesdk
Link to the patent application:
http://www.freepatentsonline.com/y2019/0312251.pdf
Link to the picture on my gdrive
https://drive.google.com/file/d/1YpWzRF71SebDDGAtWHk9ViCrcyu7LYPN/view?usp=drivesdk