801D spot welder was welding with 71A spot welding pen

801D Energy-Storage Precision Pulse Spot Welder.
It has great welding power, the welding points are uniform and beautiful, no blackening.
Output power:14.5KW(max)
Welding current range: 50-800A
Welding thickness range: 0.05~0.4mm(nickel plated)