Dark Welder 2: My DIY battery tab spot welder

13 October 2020 | Do-It-Yourself, How Does it Work?, Video | 5 comments

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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The $16 battery tab spot welder

15 September 2020 | Do-It-Yourself, Video | 1 comment

The Amazing $16 battery tab spot welderI’ve been looking for a cheap battery tab spot welder for 18650 lithium-ion cells for awhile now.

The usual ones just aren’t worth the cost. For example, for half the cost of a welder, I could buy at least 2 brand new power tool battery packs.

Enter the $16.99 Portable Mini Spot Welder!

At that price, it was worth a shot…

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