UK1 cordless portable spot welder, 9000W raging output! 1380A instant penetration. Click the knob, press the pen tip lightly, and the weld forms in an instant⚡ ✅0.3mm nickel-plated / 0.15mm pure nickel / 0.1mm copper, all handled with ease ✅Dual grade-A power cells for steady runtime and long life ✅Smart spot-welding pen — even beginners weld like seasoned pros DIY battery packs, repairs and mods, small-batch production — one unit does it all🛠️ #AWithZSpotWelder #CordlessSpotWelding #HardwareTools #DIYWonderTool