Mini Spot Welding Machine 8 Gear Adjustable Portable Spot Welder

Mini Spot Welding Machine 18650 Battery Spot Welder with Quick Release Pen Nickel Plate, 8 Gear Adjustable Portable Spot Welder Tool for Craftsman & Beginner.
One Pen Small 18650 Automatic Lithium Battery Welding 12V Portable Spot Welding Machine Control Board DIY Full Set of Accessory

One Pen Small 18650 Automatic Lithium Battery Welding 12V Portable Spot Welding Machine Control Board DIY Full Set of Accessory

Features:

-Super thick red copper tube 10AWG wire, aluminum oxide copper spot welding needle, to ensure the excessive current capacity and durability, and greatly improve the spot welding efficiency.
-Pure copper conduction heat conduction greatly improves spot welding efficiency.
-8 gears power adjustment digital tube real-time gear display.
-High-frequency capacitors have low internal resistance and can withstand high temperatures of 105 degrees Celsius.
Specification?
MOS core operating temperature: °C Celsius
Vds: withstand voltage up to 40V
Rds(on): The internal resistance of a single chip is as low as 0.77mR
ld: Single over-current capability 300A
Use for welding of nickel sheet thickness 0.1mm to 0.15mm

Package Include:
Connection line*2
Spot welding pen*2
W1 motherboard*1
Piece of nickel sheet * 5 meters
Stainless steel screw*4
Set of heat shrinkable tubing*2