Grid Rewired

I try to answer a very common question. How to choose a power source for the kWeld Spot Welder. Share pictures of your set up and comment on what your kWeld calibrates at and what makes your set up great. We'd love to hear about your projects too!

How to choose a suitable power source for kWeld Spot Welder kWeld is a very capable battery spot welder. It can handle up to 2000 amperes of current at up to 30 volts. You are best to aim for 1500 to 1800 amps at 12volts or less to achieve a good level of performance. A very common question we get is how to select a good power source. Learn about three commo...