Last time, we covered storing and charging a 3000 Farad supercapacitor to build a solar-powered, portable spot welder. Since then, I’ve made some improvements to the charging circuit and gotten it ...

Handheld welding machines have carved out a useful niche for DIYers, hobbyists, and light-duty repair work where portability and simplicity matter more than industrial-scale power output. Instead of ...

The Model 700B welder unit is a portable, lightweight instrument that is ideal for installing weldable strain gages and temperature sensors to metallic surfaces in difficult industrial and outdoor ...

Autoblog aims to feature only the best products and services. If you buy something via one of our links, we may earn a commission. Portable welders have become a go-to solution for DIYers, mechanics, ...

On the face of it, a spot welder is a simple device. If you dump enough current through two pieces of metal very quickly, they’ll heat up enough to melt and fuse together. But as with many things, the ...

Spot welding looks simple and easy until your products fall apart while being delivered to the job site. When that happened to one contractor several years ago, spot welding suddenly took on a whole ...