- Klutch ST80i Inverter-Powered DC Stick Welder with TIG Option - 115 Volt, 20-75 Amp DC, 90 Amp Peak Increased power in a super lightweight package for exceptional portability The inverter system better handles fluctuations in input power for consistent output and better welds Requires less input amperage, reducing the overall input power requirement by up to 25% when compared to traditional transformer welders Welds with 1/16in., 5/64in. or 3/32in. electrodes Smooth DC inverter arc, hot start and anti-stick features for easy operation