I have one, get good deep cycle batteries to use with it or rig up a poweresource for it. Somehwere around here I have notes on using a ford alternator and a hard wired invertor etc to rig up your own premier type unit, possibly from the pirate board, have to find my hard copy to be sure. Used to weld pole barns and gates etc with it then got spoiled by dual sheild 450 amp 1/16 inch wire unit I used at my old job, though not much good for building cages