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The controller is controlled by a single chip microcomputer, and the output pulse is accurate to ensure the welding quality.
Using automatic touch welding mode, while retaining the manual trigger interface, you can choose according to your own use.
Wide selection of welding power supply: lithium battery power supply or 12V car battery.
lithium battery power supply or 12V car battery.
Specification:
Material: Metal
Input line length: app.20cm7.87in
Length of welding pen: app.30cm11.81in
Color: Red+Blue+Black
Battery: 18650 lithium battery(not included)
Package Weight:20x15x3M
Package size:210g
Noted:There are 99 gears in total. Do not exceed 50 gears, otherwise the possibility of burning will not be ruled out!
Instructions for use:
1.Power connection
The controller comes with a 20cm long 10AWG input wire. One end has been crimped with a U-shaped terminal, and the other end has not been processed. Connect the crimped U-shaped terminal to the control power input terminal, and the other end is processed according to its own power supply. Do not connect the negative electrode wrong.
2.Switch on and off
There is a power switch under the control board. After pressing, wait for 3 seconds. After the buzzer drops, the LCD lights up and the boot is complete. Press the power switch again to shut down.
3.Screen description and parameter adjustment.
4.Welding
Keep the welding pin clean. If the welding pin is polished into a round head, the welding effect can be improved. There are manual and automatic methods.
Package Included:
1Pc x Controller
2Pcs x Welding pen
2Pcs x Power input line (Red and Blue)
1 Pair x U-shaped cold-pressed terminal
Matt
Reviewed in the United States on January 20, 2025
I also noticed a slight design change they added a small cap to the secondary board for better resistance voltage drop as some of the YouTube videos showed keeping the mosfets saferUsing a 5200mah zeee 80c 3s lipo seems goodI soldered an ec5 on very short leads to the lipo, also I installed both positive leads to the same screw terminal as the device only switches the negative side and the positive is just straight through, so I think doing anything you can to lower the resistance to current flow is a positive thing and will reduce voltage drop etc at least should improve performanceWas able to weld through 2 layers of 0.1 strip to a 18650 on level 50 and produce a good enough weld but maybe higher would be better or just do 1 strip at a time
Customer
Reviewed in the United States on April 5, 2025
Works great, using car battery, unit set at 90, welding 0.15 x 8 mm nickel strips to 18650 cells.
Kyle Kehrli
Reviewed in the United States on December 18, 2024
It works but ya need a real strong battery with a lot of capacity or it just sucks.
E_Dogg
Reviewed in the United States on October 4, 2024
This works great for part time DIY'ers. I've made about a dozen lithium packs with it, with the only noticeable wear being the tips of the electrodes. They are slowly wearing away but that's expected when you are essentially arc welding.There are two unavoidable requirements if you want this to work reliably across many projects...First, and most importantly, upgrade the 12V input harness to larger gauge copper. The one that comes from the factory works (sort of) but really limits you on power. I used 6 gauge pure copper and it made a huge difference. I get much better bonding now and can lower the power setting.Second, you need a powerful 12V battery. Most people use Group 24 automotive batteries, which are great. Don't use anything smaller than I use a 12V 50amp. I personally use a 100 amp LIPO battery, which is overkill. But it's what I have on hand.
Cody G.
Reviewed in the United States on October 15, 2024
It seemed to be well built but didn’t work out of the box. I did buy it open box but figured it’s worth a shot. The leads are quite short. Newer version probably a better idea.
KR
Reviewed in the United States on October 10, 2024
This little spot welder works great & is just as described by this seller.It is intended to spot weld 0.10 or 0.12 nickel strips and with about 1/2 hour of practice and experimenting - found the 36 setting, automatic mode, perfect for spot welding two 0.12 nickel strips together. The setting of 50 will burn holes in the 0.12 strips, the instructions say don't exceed 50, but 50 is actually too high and would be used for thicker strips.The pressure applied to the tips makes a difference (too much or too little is not good) and holding at a 45 degree angle also works best. Experiment on test strips to get the technique down before welding your project and you will be happy with the welds.The pics show my welding "coupons"
Brandyn
Reviewed in the United States on June 4, 2023
The strength setting doesn't seem to matter, all it seems to care about is how much juice the battery its hooked up to has, and its pretty unreliable as far as repeatability. Sometimes it'll charge up and weld nicely, sometimes it doesn't even make a little spark, even hooked up to a massive quantity of lipo batteries with enough potential amperage to flash melt a wrench. I wouldn't recommend getting one of these, unfortunately ive yet to find a good model for welding battery terminals with.
Daniel Neikirk
Reviewed in the United States on January 6, 2023
This is fine for spot welding 0.1 strips. Keep the power below 50, and don’t lengthen the cables or you WILL blow a mosfet and get smoking. It can do 0.15 strips, but you have to raise the power to uncomfortable levels for long life.
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