Did you ever see a thin metal tab bonded to a battery terminal with little pock marks? That’s the work of a spot welder. Spot welding is one of those processes that doesn’t offer much in the ...

Crafts DIY Posted: November 30, 2024 | Last updated: November 30, 2024 Watch as a simple 1.5V battery is transformed into a DIY welding machine perfect for soldering wires.

And a nice addition is a separate probe designed specifically for battery tab welding — bring on the 18650s. Kudos to [Kerry] for building in some safety, but he may want to think about taking ...

In this DIY project, learn how to build a simple 1.5V battery welding machine at home. This easy-to-make tool is perfect for basic soldering and welding tasks. Using just a few materials ...