... technology,energy saving,stable and light weight,small size ARC85 Portable welding machine with strap features1. Advanced invert technology,simply circuit ... compare with traditional welding machine,energy saving up to 50%5.inverter frequency up to 100KHZ, speedy dynamic response,easy to ... 6-3.21.6-4.01.6-4.01.6-5.01.6-6.01.6-6.0Insulation classBBBBBBBProtection classIP21IP21IP21IP21IP21IP21IP21Weight(kg ...