Nitecore 5000Mah Power Bank Waterproof DKP180Z with its nominal 3OHM requires US6921 05C with its nominal 3OHM requires high impulse currents Powerful 160A welding power up to 6mm steel thickness Portable Only 9kg super light weight and portable Reliable Cutting edge inverter technology ensures ultimate reliability ARC and MIG function for variety of jobs Stepless voltage and wire speed control 60% duty cycle @ 130A Lightweight and robust construction only 9kg Overload protection for increased reliability Optional Lift TIG torch available 10A Plug Ideal for home & workshop power supplies 18 Month Warranty with Product Registration Accessories Included: ARC Leads Earth Leads MIG Torch IP68 rated and waterproof up to 2m Battery Type: 21700 Li ion Battery