I tested this new spot welder which looked great in pictures and actually turned out to be pretty good in real life too!
Link to new spot welder
https://s.click.aliexpress.com/e/_DeneEk9
https://s.click.aliexpress.com/e/_DEbxidX
Link to Lipo i use
https://s.click.aliexpress.com/e/_DndRHvX