Equipped with 5 MOS tubes, it can handle a maximum current of 2390A. Experience high output power with 99 adjustable levels for precise welding, capable of continuous welding on nickel plates/sheets for thousands of points. This spot welder utilizes high current and temperature to rapidly melt and cool nickel foil. It comes with 2 copper bars to significantly boost overcurrent capacity. Achieve precise and beautiful weld spots, supporting the welding of 0.05-0.3mm nickel, iron, and stainless steel. This spot welding machine is ideal for 14650/17490/18650/21700/26650/32650 cylindrical lithium batteries and NiMH batteries. Color: Purple Material: PCB Package Contents: 1 x Control Board. Other products are not included. Note: Light and different displays may cause the color of the item in the picture to be slightly different from the real thing. The allowed measurement error is +/- 1-3 cm.