How to Make Spot Welding Machine at Low Cost

Hi friends today I am going to show how to make mini spot welding machine for li-ion battery from micro oven transformer .The material I have used are

1. Old micro oven transformer
2. 2x 10 mm copper wire, you can use single 16 mm wire
3. 2mm copper rod
4. Time current controller board , etc.

You can get
controller board here - https://amzn.to/3ybIgqK




Thank you for watching .

Видео How to Make Spot Welding Machine at Low Cost канала Creative Etc.