portable MMA welding machine 1:small,light,high efficiency, energy-saving 2:perfect ignition, ... stable arc,low-spatter 3.IGBT portable MMA welding machine 1. Accurate and refined ignition 2. Excellent arc characteristics for ... voltage overload automatic protection 5. Line voltage compensation enable to continuous work 6. Weight only 8/9kg, the ARC-160/200 ...