[Aaron Christophel] has a battery spot welder that costs a not unreasonable 30 euros and can also be used as a novelty power bank. He subjects it to a test and teardown in the video below the break.

The Hobart Trek 180 is a portable MIG welding that operates off its self-contained battery or 115V power and welds 24-gauge up to 1/4-in. mild steel in a single pass and recharges off an ...

That need is what led [Erwin Ried] to purchase a small, battery-powered spot welder from a maker in Korea and test it out on nickel strips. The spot welder [Erwin] used is the work of a user by ...

Watch as a simple 1.5V battery is transformed into a DIY welding machine perfect for soldering wires. This genius idea brings a new way to handle small welding tasks right at home. Explore the power ...

powered by a Honda iGX800 V-Twin EFI gas engine, includes a 40 CFM rotary screw air compressor, an 8 kW generator, a 250 amp welder, a 300 amp battery booster, and a 12/24 V battery charger.