DIY Portable Mini Spot Welder Machine Welding Power With Pen for Battery

Description

100% brand new and high quality
Features:
Portable spot welding machine, with quick release welding pen.
The integrated solder pen uses gold Plate terminal, with fine conductivity and low contact resistance.
Adopts a type-c USB charging interface for easy charging.
Built-in high-speed battery 2, with fine charge and discharge properties.
Fine workmanship and good performance.
Easy to use.
Long service life
Specification:
Material: metal
Size: approx. 105x83.2x28.8mm
Cell: 2 x High-speed cell (included)
Output Voltage: 4.2V max.
Output Current: 639A max.
Note:1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.
2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!
Package includes(without retail package):
Portable spot welder host X1
Quick remove welding pen X2
Type-c charging line X1
Nickel 40 cm