[youtube https://www.youtube.com/watch?v=PV5oLPLUzrM&w=420&h=315%5D
Welding can be a pretty laborious task. Most people don't keep their welding setup with them, say, out in the field when they might need to make an emergency weld. This guy has come up with a quick and easy solution!
Rather than carrying around a whole welder wherever you go you can actually set up a great welding solution with only a few batteries and some simple supplies!