Mini Diy Portable Farad capacitor Welding Machine for 18650 Battery Spot Welder

Features: *Four ultra-large current tubes, the power far exceeds any portable spot welder on the market. *Two professionally designed low internal resistance strings, 2.7V 3000F capacitors *16 square welding wire, thickened pure copper welding pen, with alumina copper spot welding needle, spot welding non-stick needle *Excellent power and welding ability, easy to weld 0.2 pure nickel, 0.3 nickel plated, 0.4 stainless steel (mm unit), the solder joints are bright and not black. *This spot welding machine is suitable for cylindrical monomer, mobile phone soft battery, electric vehicle battery assembly, power tool battery maintenance, etc. *Automatic welding can be adjusted in 0.5-7 seconds, and the welding power can be adjusted in 1-120 steps. *The board comes with constant current and constant voltage charging and capacitor equalization functions. *LED digital display numerical control module, the capacitance voltage display is clear at a shine. *Portable handle design, the compact weld