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 ...

A freeze-frame revealed an incredible 160A of short-circuit current and a welding ... of lithium-ion battery packs for a single tack weld, it’s interesting to see how much power you’re holding ...

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 ...