which provide the high current required to do copper spot welding properly. They are wired in series and connected to his electrodes using heavy gauge wire. The graphite-tipped electrodes were an ...

Learn how to build a compact spot welding machine using a battery in this easy DIY tutorial. Spot welding is essential in various industries, including automotive, aerospace, and construction.

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[Aaron Christophel] has a battery spot welder that costs a not unreasonable 30 euros and can also be used as a novelty power bank. He subjects it to a test and teardown in the video below the break.

This Spot Welder can be used to weld 18650 batteries. It uses a 12V car battery as welding current supply. Typically one 60Ah 600A battery delivers enough current to get good welds with 0.15mm - 0.2mm ...

DIY spot welder from old microwave for making Li-ion 18650 packs with nickel strips. Uses bluetooth communication in custom Android app to adjust welding parameters ...