Ho-hum, another microwave oven transformer spot welder, right ... addition is a separate probe designed specifically for battery tab welding — bring on the 18650s. Kudos to [Kerry] for building ...

Learn how to build a compact spot welding machine using a battery in this easy DIY tutorial. Spot welding is essential in various industries, including automotive, aerospace, and construction.

Spot welding isn’t just for joining two pieces of sheet metal. It’s also used for things like welding tabs onto battery terminals. The versatility and easy of building these welders make them ...