Portable DIY Pulse Spot Welding Machine 18650 Battery Welding Pen Control Board Set

Features:
The spot welding machine has a compact square size of 100mm and is lightweight and portable.
It can be used for 220 V household appliances.
The output voltage of the spot welding machine is DC12V.
Double pulse adjustable spot welding machine.
Strong and powerful performance, you can DIY support 2.5V to 3V farad capacitor.
Control board with equalization function, 10A charge can fully meet the needs of DIY lithium battery players.
Suitable for assembly various kinds of lithium batteries.
Support 0.2mm and below nickel plate welding, the weld joints are solid and reliable.
Support foot switch and integrated switch spot welding pen, quality materials and with fine workmanship.
Note: Do not touchany metal parts of the fuselage with a welding pen.