Dark Welder 2: My DIY battery tab spot welder

Dark Welder 2: My battery tab spot welder!After the failure of my $16 battery tab spot welder, I saw Kevin Dark’s DIY version.

But it wasn’t exactly what I needed, so I decided to build a modified version.

The Modified Dark Welder, or Dark Welder 2.0, has a foot switch that triggers a precise welding current pulse that is always the same length of time – no matter how long you hold down the button.

And in my new version, the button is now a foot pedal to keep your hands free.

The best part is: IT WORKS!

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