Portable welders are generally used in the Metal Inert Gas (MIG) pattern. These are generally referred to as wire welders due to their use of a roll of wire in place of usual welding rods. The new portable welder is light and dense, as well as easy to take into the field to achieve repairs.

A portable welder using a shielding gas will depart an ended weld which requires no action to clean and dress it. The weld drip will have a very smooth exterior and will be void of any contaminates. A welder use a flux core wire and no shielding gas will require the slag to be cut from the weld. The flux core acts in the same mode as a shielding gas to eliminate contaminates from the weld.

Portable welders can frequently be operating on moreover 115 volt or 230 volt power supplies. The ending is obviously involves a generator to make the needed operating current, while the 115 volt version can regularly be run from a power inverter set up on a vehicle's charging system.