DIY Mini Spot Welder 5 Gears Adjustable Portable Handheld Spot Welding Machine Fast Charge Lithium Battery with Spot Welding Pen

Type 1

This is a kind of fine quality welding pen set, suitable for welding 18650/26650/32650 battery. The welding current approx. 90-130A, which is more than enough to welding common 0.1mm-0.12mm nickel plate. Upgraded to automatic triggered design, do not need to press button for long time anymore, completely frees your hands. You can have a try.

Features:
Lightweight and portable, stable and reliable, wear resistant and can provides long service time.
Through the MOS tube output, this energy will be concentrated at the end of the welding pen, and it will be heated by short circuit.
Fuse the nickel sheet firmly with the battery.
And it is precisely controlled by the single-chip microcomputer program without trigger switch.
Suitable for welding 18650/26650/32650 battery.
The welding current approx. 90-130A, which is more than enough to welding common 0.1mm-0.12mm nickel plate.
Upgraded to automatic triggered design, do not need to press button for long time anymore, completely frees your hands.
Battery recommended:
20-45ah leadacid battery with fine performance and small internal resistance.
3.5-5.5ah 3s 45C Li-polymer battery group.
30-35ah 18650 lithium battery group.

Specifications:
Name: Welding Tool Set
Material: metal
System voltage: 12-14.6V
Working current: 90-130A
Item size: 80 * 44 * 13mm / 3.15 * 1.73 * 0.51in
Item  weight: 135g / 4.76ounce
Package size: 154 * 102 * 42mm / 6.06 * 4.02 * 1.65in
Package weight: 173g / 6.10ounce

Packing List:
1 * Circuit Board
2 * 10AWG Input Cable
2 * Welding Pen
1 * Roll of Nickel Sheet
1 * Set of Screws

Type 2

Features:
High quality material: this lightweight, portable spot welder is made of solid, durable aluminium alloy housing, with anodic oxidation surface, wear-resistant.
Efficient welding: it is with total 5 gears of output power, easily adjustable, for precise welding; and there are LED light to indicate the working gear. 
Good performance: welding pen, with gold-plate terminal, long enough, flexible to use, quick to install, fine conductivity, ensures beautiful welding spots.
Safe, reliable use: the welding machine has low voltage, over current and over-charge protection, low battery alarm function, auto-off under low power.
Power bank function: built-in rechargeable battery, 5000mAh high capacity, supports it to fast charge the mobile devices via 5V 2.1A USB port, very convenient.

Specifications:
Material: aluminium alloy
Color: black
Current: max 650A
Battery: 3.7V 5000mAh battery
Item Size: 10.3*8.4*2.7cm / 4.06*3.31*1.06in
Package Size: 10.3*8.4*2.7cm / 4.05*3.30*1.06in
Package Weight: 400g / 14.10oz

Note:
Spot welder set only, other accessories in the pictures are not included.
Due to lighting or other reasons, the picture and material object may slightly differ.
Due to manual measurement, there may be deviation, please in kind prevail.

Packing List:
1 * Spot Welder
2 * Welding Pen
1 * Charge Cable
1 * Nickel Sheet

Type 3

This control board of spots welding machine is high power output design, 99 gears of output power adjustable, more accurate welding, suitable for continuously welding thousands of points on nickel/nickel-plate sheet. It supports welding 0.1-0.3mm nickel sheets with solid and beautiful welding spots. This product can be widely used on spots welding cylindrical lithium batteries and nickel metal hydride batteries such as 14650/17490/18650/21700/26650/32650 etc.

Features:
The welding process is based on the principle of high current and high temperature, rapidly melting part of the nickel sheet, and cooling.
Adopt 5pcs MOS tubes, and the maximum current is up to 1700A; there are 5 MOS tube locations reserved on the back of the printed circuit board for DIY players to increase their own MOS tubes.
High power output design, 99 gears of output power adjustable, more accurate welding, suitable for continuously welding thousands of points on nickel/nickel-plate sheet.
With the digital tube real-time gear display function, 0-99 gears, 1-gear is the lowest, 99-gear is the highest, and the gears are gradually increasing.
It supports 0.1-0.3mm nickel welding sheets with solid and beautiful welding spots.
This product can be widely used on spots welding cylindrical lithium batteries and nickel metal hydride batteries such as 14650/17490/18650/21700/26650/32650 etc.
8 square welding pen, 10AWG wire consists of multiple strands of high-temperature wire with high torsional resistance and more sensitive operation.
Thickened pure copper welding pen design, with alumina copper spots welding needles to ensure high current passing capacity and durability.
The cold pressing process can make large contact areas with pure copper joints to reduce internal resistance.

Optional Housing: Transparent protective housing, beautiful and safer, prevents short-circuiting damage to the control board due to leaks from exposed component.

Note:
The switching power supplies, transformers, chargers, water batteries, and rechargeable batteries are not allowed to be used as power supplies!

Specifications:
Name: Spots Welding Machine Set
Material: printed circuit board
Type: with housing, without housing (optional)
Working voltage: 6.5-16V
Working current: ＜20ma
Standby power consumption: ＜0.5ma
Recommended working temperature: -10℃ to 60℃
Voltage: 12.0V
Welding current: 1700A Max
Welding thickness: 0.1-0.3mm
Capacity: 20AH-80AH (new battery not more than 45AH, more than 45AH please consulting our customer service for current limiting method) or: 4-5 strings of super-Farah capacitors
Item size: 90 * 60mm / 3.54 * 2.36in
Package size: 120 * 120 * 20mm / 4.72 * 4.72 * 0.79in
Package weight: 180g / 6.35ounce

Packing List (without housing):
1 * Control Board
2 * Input Cable
1 * Pair of Welding Pen
2 * Heat Shrink Tubing
6 * Screw
1 * Nickel Sheet
1 * Guideline

OR

Packing List (with housing):
1 * Control Board
2 * Input Cable
1 * Pair of Welding Pen
2 * Heat Shrink Tubing
6 * Screw
1 * Nickel Sheet
1 * Housing Kit
1 * Guideline

Type 3 Control Board Only

Specifications:
Name: Spots Welding Machine Control Board
Material: printed circuit board
Working voltage: 6.5-16V
Working current: ＜20ma
Standby power consumption: ＜0.5ma
Recommended working temperature: -10℃ to 60℃
Voltage: 12.0V
Welding current: 1700A Max
Welding thickness: 0.1-0.3mm
Capacity: 20AH-80AH (new battery not more than 45AH, more than 45AH please consulting our customer service for current limiting method) or: 4-5 strings of super-Farah capacitors
Item size: 90 * 60mm / 3.54 * 2.36in
Package size: 120 * 120 * 20mm / 4.72 * 4.72 * 0.79in
Package weight: 180g / 6.35ounce

Packing List:
1 * Control Board

Type 4

This control board of spots welding machine is high power output design, 99 gears of output power adjustable, more accurate welding, suitable for welding thousands of points on nickel/nickel-plate sheet continuously. With the 3 bit digital-tube real-time gear display function, which not only can display the current gear, but also can detects the battery voltage. Three working modes design, you can switch between general power mode, strengthen power mode and superstrong power mode. It supports 0.1-0.2mm nickel welding sheets and the welding points are more solid and beautiful.

Features:
The welding process is based on the principle of high current and high temperature, rapidly melting part of the nickel sheet, and cooling.
High speed singlechip design, intelligent program, real-time display of battery voltage and high visibility of spots welding strength.
Adopts 8pcs MOS tubes, the peaks current is up to 2400A, support 0.1-0.2mm nickel welding sheets and the welding points are more solid and beautiful.
High-precise power output design with 99 gears output power is adjustable for more accurate welding, and is suitable for welding of thousands of points on nickel sheet and nickel-plate sheet continuously.
With the 3 bit digital-tube real-time gear display function, which not only can display the current gear, but also can detects the battery voltage, and enhances the pleasure of the spots welding.
When in standby, the digital tube will alternately display the gear and the supplying voltage once every second. When the display reads: d + two digits, means it is under gear display; when the display reads:  three digits, such as 12.6, means that the voltage of the power supplys is: 12.6 V voltage.
Three working modes design, you can switch between general power mode, strengthen power mode and superstrong power mode.
Two spots welding delay times are adjustable design, you can set 0s or 1s delay time according to the working demands.
It is both spots-welder and voltmeter, built-in 12-bit high-precise ADC, the voltage measurement accuracy is up to 0.01 voltage, with 8-24V test ranges, automatic voltage display when connected to the power supplys.
Flexible spots welding pen, 12AWG wire consists of multiple strands of high-temperature wire with high torsional resistance and more sensitive operation.
Thick pure copper welding pen design with alumina copper spots welding needles to ensure high current passing capacity and durability.
The cold pressing process can make large contact areas with pure copper joints to reduce internal resistance.

You can choose one of the following sources as your working power source:
1. Leadacid Battery: 2*20Ah electromobile battery, 36-405H new car starts battery.
2. Model Battery: 3S 4000mah 35C, 3S 5000mah 25C, 3S 8000mah 20C.
3. Car Starting Supplies: 11.5-14.8V 36-60AH, the internal resistance should ＞ 2.5 milliohm and ＜7 milliohm.
4. Self-assembling Battery: 11.5-14.8V, total internal resistance ＜7 milliohm.

Specifications:
Name: Spots Welding Machine Set
Material: printed circuit board
Type: with housing, without housing (optional)
Working voltage: 8-24V
Working current: ＜20mAh
Peaks welding current: 2400A max
Standby power consumption: ＜0.5mAh
Welding thickness: 0.1-0.2mm
Limit temperature: 175℃
Item size: 89 * 54mm / 3.50 * 2.13in
Item weight: 100g / 3.53ounce
Package size: 150 * 120 * 20mm / 5.91 * 4.72 * 0.79in
Package weight: 155g / 5.47ounce

Packing List (without housing):
1 * Control Board
2 * Input Cable
1 * Pair of Welding Pen
2 * Heat Shrink Tubing
4 * Screw Set
1 * 5m Nickel Sheet

OR

Packing List (with housing):
1 * Control Board
2 * Input Cable
1 * Pair of Welding Pen
2 * Heat Shrink Tubing
4 * Screw Set
1 * 5m Nickel Sheet
1 * Housing

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