UPDATE "Purple" Mini Spot Welder PCB for DIY Battery Spot Welder Kit #spotwelder SUBSCRIBE for more

UPDATE "Purple" Mini Spot Welder Machine PCB Spot Welding for DIY 18650 Battery Spot Welder Kit This is my opinion: it doesn't do 0.2 pure nickel strip, so I watched a lot of videos, I noticed that people is doing videos for views, I just want to help. I wouldn't recommend this for now. #spotwelder #lifepo4 #lithiumiron #battery #solarpower #18650battery