🆕 New project! Mini spot welder with interchangeable battery! 🔋⚡

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In this video I show you a mini spot welder that I built with an interchangeable 3V battery.
Compact, portable and perfect for small jobs on ultra-thin sheets or circuits!
⚠️ It is a DIY experiment, not a commercial product and must be handled with caution.

💡 Save the video, you never know when it could come in handy!
📲 Share it with those who love inventions and electronic DIY!
#DIYWelder #SpotWelder #MiniTools #DIY #Inventions #DIYProjects #ToolsHack