Portable Mini DIY 18650 Battery Spot-welding Machine with Charge-Pal Function

Features:
Compact size, lightweight and portable, easy to carry around with you.
Made of hard aluminum alloy material, wear resistance and can provide long service time.
Adopts 3.2V, 5000mAh battery, support continue spot-welding 800 welding spots, support recharging while welding.
The high rate power lithium battery, with low battery p-rotection function.
Adopts detachable spot-weldering pen, more flexible and more practical.
Automatic trigger, with short current p-rotection function.
Built-in intelligent charge-pal system, automatic detect USB device and automatic-supply electricity and black-out electricity.
2.1A recharge current, 2.4A discharge current, support continue welding 0.12mm nickel sheet solidly.
It melts nickel sheet to spot-welding to battery by high discharge current, suitable for welding 18650 battery.
Not suitable for welding soft-wraped or large cell which has aluminum and copper electrode.