DIY Portable Mini Spot Welder Machine Welding Power+Pen+USB for 18650 Battery

Description

Product introduction:
This spot welder is only about 400g, which is very small and much smaller than a mobile phone.
Don't think that a small body is of no use. Pointing a 0.1 or 0.12 is not a problem, repairing an 18650 battery pack, assembling a lithium battery, a small case, no problem at all!
In terms of hardware, two batteries with extremely low internal resistance are used! With 600A discharge capacity! 5 levels of output, capable of handling various scenarios! At the same time, it has low voltage protection, overcurrent protection, and overcharge protection! Fully protect the battery! Longer life!
It also has a 2.1A hand-charged flash charging function. Spot welding machines are not commonly used, but power banks are always useful. When they are not spot welding, they can also be used as power banks! One machine with multiple uses! Great value!
Not only that, it also has the function of fast charging for itself, other homes use 1A charging current, and my home’s charging is also 2.1A fast charging! Compared to other homes, my home charges twice as fast!
Features:
This product uses 2 lithium batteries with extremely low internal resistance, and uses the special algorithm of the single-chip microcomputer to instantaneously discharge the high-temperature molten nickel sheet to quickly fit on the metal material! It can weld common batteries on the market, such as: 18650 26650 and other lithium batteries. The machine has low-voltage protection, over-current protection, charging protection, and its own high-current fast charging power bank function. Compared with similar products on the market, it has many unique advantages!
Package Included:
Portable spot welding machine host×1
Quick release spot welding pen×2
Micro USB charging cable x1