Mini Welding Machine Portable Handheld DIY Spot Welder Kit with Soldering Pen USB Cable Home Use Small Welder for 18650 Lithium

This spot welder is mainly applicable to 18650 and other cylindrical lithium-ion batteries, Ni–MH batteries and Ni-Cd batteries. It is constructed with quality material and controlled by smart microcomputer to ensure precise weld, portable and compact, ideal for small welding jobs at home.

Features:
Equipped with an aluminum alloy shell, which is fire-proof and anti-fall to ensure durability and safety.
Built-in smart microcomputer to deliver accurate pulse control, and also provides overcharge protection, over-discharge protection, and supports charging while in use.
Built-in 4300mAh battery will auto discharge to 50% if not in use for over 5 days, so as to prolong battery life.
The welder is compact and comes with two quick-release red copper welding pens, portable and convenient, ideal for small welding jobs.
Providing two trigger modes—"1.5s timing trigger" or "auto-detection trigger", four adjustable output powers, and battery indicator.
Mainly applicable to 18650 and other cylindrical lithium-ion batteries, Ni–MH batteries and Ni-Cd batteries.

Specifications:
Material: Aluminum alloy
Charging Port: Type-C / Micro-USB(Optional)
Power Supply: 5V / 1A 
Battery Capacity: 4300mAh
Output Voltage: 4.2V max.
Output Current: 639A max.
Recommended Thickness of Nickel Strip: 0.1~0.12mm
Item Size: 10 * 8.4 * 2.8cm / 3.93 * 3.3 * 1.1in
Item Weight: 288g / 10.15oz
Package Weight: 415g / 14.63oz
Package Size: 20 * 11.2 * 3.5cm / 7.87 * 4.4 * 1.37in

Packing List:
1 * Spot Welder
1 * 0.1 Nickel Strip
1 * USB Cable
2 * Soldering Pen