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Chitown Guy
Reviewed in the United States on February 1, 2025
This product has the following problems:1. The output power is inconsistent. This may be due to no charging indicator when the welding capacitors are charging.2. There is no indication of then the unit is ready to weld.3. Both the foot switch and welding cables are too short.4. Both the foot switch and the welding cables should be removable.5. The LED display should display "gear" or weld current or capacitor charge level rather than battery level. this indicator is basically useless.6. The users manual is useless and written in bad Chinese translated English.7. The foot switch is flimsy and so light that it move all over the place when trying to use.My suggestion is to not buy this and spend your money on a better true AC powered unit.
W. D. Greason
Reviewed in the United States on February 1, 2025
Quality appearance, it takes a charge (over 5 hours initial charge for 100% on OLED) on 2 or more amp micro USB . Display appears to work in English without any option selection. Full aluminum case, metal end piece with precise cut outs for USB A (power bank) access, micro USB charge port, push button power/mode switch. plastic front panel with cutout for OLED display, two circular gold plated weld lead cavity's plug in's, and arrow left/right for menu navigation. menu selection of menu item is via rear power on button tap vs 5 second hold for on/off. weld pens are 4-6 inches shorter than desired (welding on a horizontal table requires lifting box up). weld tips are simply flat cut solid copper tips, not rounded contacts, or angled tips to minimize box lift from table. no protection from power bank mode with open weld lead sockets uncovered. If welding is successful; I would buy this again.
Ian Vietti
Reviewed in the United States on January 6, 2025
I’ve been using this spot welder for several months, and it works perfect for spot welding nickel strips. However, (at least for mine) the BMS (Battery Management System), does not stop charging the cells at 4.2 volts. I left it plugged in for an hour while working on other projects, and it had charged to an indicated 8.7 volts and was still charging according to the units volt readout. If correct, this is a large fire hazard, so buyer beware!
Matthew
Reviewed in the United States on January 19, 2025
It is about what I expected, and while at first it seemed too weak to really weld my nickel strips, it suddenly started doing I perfectly and has been doing so ever since. I've welded a huge amount since receiving this, and it works flawlessly. The leads do get very hot, so make sure to take a break in between welding.
JimWorm
Reviewed in the United States on July 31, 2024
I had a bigger unit which was run on wall power, but it stopped working. I just needed to weld tabs on a single battery, so bought this as a backup. It worked well enough for me to get the job done. It has some sort of rechargeable battery so don't know how long it would last in continuous use. It cannot be used with wall power. It cannot weld very thick metal, but it was okay for what I needed.
Chi L Wong
Reviewed in the United States on July 26, 2024
I tried for many days to get my battery operated spot welder to securely attach .10mm copper foil with .10mm nickle plated steel strips to my battery project but no combination of settings would work. I order this F3000 spot welder and got a perfect secure weld on my first try at power level 80.It has a simple setup screen taking much of the guess work out of doing a great weld. My old battery operated welder had a gap setting, and pre heat setting and a main pulse setting none of which helped me on my project. This F3000 spot welder should be the only spot welder any DIY builder should buy. All the other welders just don't have enough power.
Robert L. Richardson
Reviewed in the United States on December 28, 2024
This spot welder worked great for an entry level spot welding pragmatic hobbyist. I love milwaukee 5 ah m18 batteries. I had saved a bunch of cells from these, and had one with a fried circuit board. Within a week of getting this product I got back 2 fully functional 5 ah batteries! I'm descent at soldering, but just soldering can't fix these batteries efficiently. This spot welder basically already paid for itself, so although it hasn't been through the durability and longevity tests, it passes the short-term usefulness and function tests. I didn't read instructions well, just what I needed, experimented until I got it.Use notes: Sometimes a lot more sparkles shoot out (with close to equal charge), and working with batteries can make that scary. Everything was fine, but beware, like a jack in the box. It takes a while to charge, but can do a bunch of welds after it builds up a base charge, it seems. If spot welding on a plastic surface, it will sink because plenty of pressure seems to increase odds of successful weld, and quick heat melts what's under the stuff. The round pad in the box must be for putting under the weld stuff.I usually don't leave reviews, so clearly I'm impressed for the price.
The Barber
Reviewed in the United States on November 13, 2024
I used this spot welder to attach new cells into 80v battery packs that failed. Replaced six cells using this welder and got my battery pack back in operation saving me a lot of money versus buying a new pack. Will come in handy having it around. Leads are robust and have changeable electrodes. Nice that it works off battery and does not need to be plugged in. I did about 30 welds and still was going well.Only negative is the cable for the foot pedal is a bit short, but is just long enough to get the job done. I do worry that battery internal to the device will be its weak link to long term use.
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