Cheap Spot Welder Circuit. The spot welder circuits are versatile ultrasonic and automatic functioning. Firstly check out how to make the Metal.
But getting that battery is still a issue so I am thinking of a even simpler method just run 2 wires from my mains 220Vs live neutral and give it a quick short to spot weld my battery contacts. Best Cheap Spot Welder. This Spot Welder can be used to weld 18650 batteries.
Working Schematic PCB and Gerber Files.
An Arduino Nano based Spot Welder for battery welding. They are most likely used in the auto industry as well as HVAC for welding metal ducting. This Spot Welder can be used to weld 18650 batteries. The welder currently operates at 28 Volts.
