Using 5 MOS tubes, the maximum current can reach 2390A.High power output design, 99-speed adjustable output power, more precise welding, thousands of points can be continuously welded on nickel sheet/nickel plate.Welding is the principle of using high current and high temperature to rapidly melt the nickel foil part and cool it.Equipped with 2 copper bars, which greatly increases the overcurrent capacity.The welding spot is accurate and beautiful, and supports welding of 0.05-0.3mm nickel, iron and stainless steel.This spot welding machine can be used for spot welding of 14650/17490/18650/21700/26650/32650 lithium cylindrical batteries and NiMH batteriescolour: purpleMaterial: PCBPackage Contents:1 x Control BoardOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.