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/diy/ - Do It Yourself

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>> No.2540121 [View]
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2540121

Homemade spot welders for making rechargeable battery packs. They look like a good recipe for explosions, fire, electrocution, or all three combined.

>> No.1286490 [View]
File: 164 KB, 1280x720, maxresdefault.jpg [View same] [iqdb] [saucenao] [google]
1286490

I only need to weld 4 spots, I don't have a giant transformer or a thick cable
any other options?

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