The Maxstar 150 DC Stick/TIG inverters weigh just 13.7 pounds and have a 5- to 150-amp welding range. They run on 115 to 230 VAC primary power. Three models are available: S (Stick-only), STL (Stick/TIG Lift-Arc start), and STH (Stick/TIG high frequency or Lift-Arc start). All models have Stick output of 150 amps at 30-percent duty cycle, using 230 VAC power. Inverters come with the True-Blue 3-year factory warranty.