More powerful : Up to 205 more amps, Ideal performance for most 6010, 6011, 6013 and 7018 rods. Safety : Automatic compensation for voltage fluctuation, over current protection, over load protection, temperature control. Automatic Hot Start : Boosts the current during starting to provides easy, quick and reliable arc starts. Auto Adaptive Arc Force : minimizes electrode sticking in the puddle without compromising arc stability or increased spatter. Portable:Compact Design, Weighing in at just under 10 lbs. (4.5kg), so you can work smarter not harder by bringing the welder to the work, easier to carry and store.