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Exercise extreme caution with this tip! Salt and water creates a medium for the electrons to travel across but the by products are volatile. Hydrogen and chlorine gases will form. This is a great survival tip but I would advise against using it in your car unless you could care less if it's damaged! Hydrogen is extremely combustible and chlorine gases will affect your nervous system. Generally if you have 10+ volts available a long duration trickle charge would bring your battery back to life. If not then you have a dead cell. Thanks for the video!
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