Dewalt and milwakee batteries power connectors lines up pretty closely. Some aftermarket battery adapters use the same design for them actually.
I didnt see anyone making a dual battery system soldering iron. I just conbined a pre made design from thingiverse and bascially redid alot of stuff meow. Probably would of been easier to design from scratch actually…
I used some questionable batteries from the amazon gods and converted them to be portable soldering irons. Luckily most of my tools are milwakee or dewalt and amazon had given us a lot of those batteries for VHS.
