China wholesale portable spot welding machines factory manufacturer supplier

The welder itself works as intended; I've only tested it on 0.15mm and 0.1mm strips (unfortunately, I didn't have any 0.2mm to test with), and the unit I received appears to have been used and opened before. I'm awaiting the seller's response on this matter. Update: I just got a brand-new unit, and I'm impressed so far. I tried the nickel-copper sandwich method, and this spot welder can handle 0.1mm nickel over 0.1mm copper at the highest setting (29ms and 4 pulses totaling 103ms); I've updated my rating to 5 stars for the performance. The EC5 connector is nice to have, but the micro USB is out-of-date, and you can't tell the battery level unless...

Although it welds well, there are several values that only present when increting up and disappear when increting down as you browse the menu to adjust parameters. I disassembled it to check for any potential safety issues because I had seen YouTubers uncover unsafe practices inside of other brands and models, but this one had no uninsulated joints or faulty construction. The fact that it was well-crafted made me very delighted.

Nicely packaged in sealed anti-static bags; received today. The device was only 3/4 charged when it was first charged. "That's all that's needed" is written on a one-page instruction document that is included. Simple to activate and define settings. Cut 2 pieces of the nickel strip that is included, and then set up a 15-ms pulse with 2 pulses. Strong weld that tore the strip when you tried to separate it. I welded.Batteries to 15mm strips, 25ms pulse, three pulses, "good weld" Added doubled strips, too. For quality welds, you do need to keep the battery above 3/4 charge. Overall, I'm happy with the little spot welder's build quality, appearance, and performance.