Features: Automatic compensation for voltage fluctuations, high ability in resisting public power grid voltage wave, stable welding current. Automatic protection from the situation of over-voltage and over-current. A good thrust compensation, dynamic characteristics, less spatter, high efficiency and aesthetic formation of welding. Output power DC source through pulsewidth modulation(PWM), stable performance, small size, light weight, more energy-efficient than traditional welding machine by 30%. Continuously adjustable current, easy to use. Suitable for the use of all kinds of acidic and alkaline welding rods. Discounted at only: US$ 143.18 
