801D Battery Spot Welding Machine + 73SA rocker arm welding tool!

A little welding expert, it is not difficult to weld 0.4mm pure nickel firmly!
Recommended machine： https://glitterwelder.com/glitter-801d-battery-spot-welder-12-kw-capacitor-energy-storage-pulse-welding-machine-mini-portable-spot-welding-equipment-for-18650-14500-lithium-battery-pack-building/