Portable Transistor Mini Spot Welder Review (For building Battery Packs)

Links
Spot Welder:
https://www.amazon.com/dp/B08W2JDSYV?...

Battery Terminals:
https://www.amazon.com/dp/B0BGPT7PML?...

Nickel Strip:
https://www.amazon.com/dp/B09625X8JD?...

Reference Video:
   • Mini Spot Welder - watch/modify befor...