Disconnecting a Car Battery. Ultimately, every car owner needs to know how to disconnect the battery. Fortunately, it’s not too difficult of a job, so let us walk you through it. Start by Turning the ...

Let’s say you’ve got your car’s front hood up and you accidentally set a wrench on top of the battery. If the wrench touches both the positive (+) and negative (-) battery terminals, it ...

Inside every abandoned car is a lead-acid battery just waiting to power a makeshift arc welder. Saws, drills, grinders, and lathes may be more precise tools, but welding devices are unmatched for ...

If you are going to involve a car battery you might as well just use that to do the welding, no capacitors required. It is done all the time in remote areas to spot weld metal.