Spot welder gun
Description
Hi everybody ! Here is a spot welder using a car battery to weld nickel band on battery packs like Li-on, Ni-cd or something else. Bills of matérials: * 1x 12V car battery * 1x 500A SPST relay [Amazon](https://www.amazon.fr/gp/product/B07TB9H2NB/) * 1x Micro Switch 1A [Amazon](https://www.amazon.fr/gp/product/B07WS67MP4/) * 1.5mm² wires (or higher) * 4mm² wires(or higher) * 2x zip ties * 1,5mm² Plain copper wire (to make two electrodes) * 2x terminal blocks Enjoy it!
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