Ultrasonically welded battery cable.
Fullsize image: https://diqn32j8nouaz.cloudfront.net...e_fullsize.jpg
https://diqn32j8nouaz.cloudfront.net...lded_cable.jpg
Previously:
https://www.homemadetools.net/forum/...610#post166917
https://www.homemadetools.net/forum/...312#post126935
https://www.homemadetools.net/forum/...069#post125626
https://www.homemadetools.net/forum/...780#post159815
https://www.homemadetools.net/forum/...570#post151530
