Portable spot welding machine, with quick release welding pen.Compact and portable size design can easy to take belong.Integrated welding pen use gold-plate terminal, with good conductivity and low contact resistance.Thickened pure copper strip and MOS tube can save energy and can provide longger service time.Built-in high rate power battery, with fine charge and discharge performance, more stable.Name: Spot Welding MachineBattery Capacity: 4300mAhWeight: 620gColour: blackMaterial: metal + plasticSize: 84 x 28 x 100cmPackage Contents:1 x spot welder1 x USB charging cable5 x sandpaper for sanding1 roll nickel sheet