9 Gears Mini Spot-Welding Machine with Single-handed Welding Pen Intelligent DIY Spot-Welding Set for Lithium Battery US Plug

Features:
Compact size and light weight, the spot welding machine is portable to carry and store.
The thickened pure copper strips and high-quality MOS tubes can effectively save energy and prolong its service life.
Equipped with a pair of quick release welding pens and a single-handed welding pen, just choose at will. With comfortable grip, they both support long time use without fatigue, easy-to-operate and accurate welding.
The integrated welding pen adopts gold-plated terminals, featuring good conductivity and low contact resistance.
Short press the button to adjust the output power gear, each time you press it to increase a gear, 1~9 gears cycle.
Output power indicators (GREEN): light up the corresponding arrangement of indicators according to the output gears (1~9 gears adjustable).
Electricity indicators (RED): light up the corresponding number of indicators according to remaining electricity. (1-indicator: 10%~25%; 2-indicator: 25%~50%; 3-indicator: 50%~75%; 4-indicator: 75%~100%).
With the built-in high rate power lithium battery, featuring fine charge and discharge performance, more stable.
The product will automatically power off to save power if it is not used for 10 minutes.

How to Use:
- Power ON / OFF: long press the button for 3 seconds and release the button after hearing the sound.
- Gear Switching: short press once can add one gear, 1 to 9 gears cycle, and the 9th gear is the strongest welding strength.
- Welding Operation: starting from gear 1, the unit will start welding in 0.5 seconds once it detects an item. The power output can be adjusted to meet different requirements of welding work. If the high level enters the current protection mode and restarts, the USB input can be connected.
- Once the USB cable is connected, the USB output will be activated automatically. Once the output current is less than 50mAh, the unit will automatically cut off the power output. Short press the button to restore the power output.
- The upgrade port is reserved, so that you can upgrade it to the latest firmware.
- Error Warning: if the device fails, the buzzer will keep beeping after turning on.

Specifications:
Model: DH20
Material: Metal
Color: Black
Plug: EU / US (Optional)
Power Supply: 5V 5500mAh rechargeable lithium battery
Output Voltage: 4.2V (max.)
Output Current: 650A (max.)
Charging Interface: Type-C interface
Input Current: 5V / 2A
Power Gear: 1~9 gears adjustable
Recommended Thickness of Nickel Strip: 0.1~0.15mm
Spot Welding Machine Size: Approx. 10.4*8.1*2.9cm / 4.09*3.19*1.14in
Spot Welding Machine Weight: Approx. 291g / 10.26oz
Single-handed Welding Pen Size: Approx. 15.5*4.4*1.5cm / 6.1*1.73*0.59in
Single-handed Welding Pen Weight: Approx. 164g / 5.78oz
Package Size: Approx. 20.4*14.5*4.5cm / 8.03*5.71*1.77in
Package Weight: Approx. 753g / 26.56oz

Note:
Please read the User Manual carefully before use.
Fully charge the battery before use.

Packing List:
1 * Spot Welding Machine
1 * Pair of Welding Pen
1 * Single-handed Welding Pen
1 * Pair of Welding Pen Connector Cable
1 * Nickel Strip
1 * Pack of Accessory
1 * Adapter
1 * Type-C USB Cable
1 * User Manual (English)