Features: Lightweight and portable, stable and reliable, wear resistant and can provides long service time. 5000W high power, and the welding spots are accurate and beautiful. 9 gears of output power adjustable(0-800A), welding more accurate. The welding spots are accurate and beautiful, support welding 0.1-0.25mm nickel sheet. Built-in high-rate polymer power cell, support continuously weld thousands of points after being fullyrecharged. Gold-plate terminal welding pen, with fine conductivity and low contact resistance, and easy carrying. The welding n-eedle can be can be disassembly and easily changed. Multiple strands of high temperature wire, 16m㎡ with fine torsional resistance ability. Comes with a roll of 0.15mm nickel plated steel belt and 1pcs of sandpaper for polishing welding pen.