... compact, light, high efficiency and energy saving. Electrode welding machine Advanced invert technology, simple circuit, compact, light, high ... compensate ability, anti-power supply fluctuation, steady welding current, reliable performance.Small DC arc welder uses ... 616369 Output current adjustment(A)20-20020-25020-315 Rated output voltage(V)21.2-2821.2 ... *204*303565*30*495 Electrode welding machine