Simply keeping a battery in your car's glove compartment could save you during an emergency situation.
Russian YouTube user CrazyRussianHacker has found a brilliantly resourceful way to charge a cell phone when there's no traditional power source in sight.
All you need is a car charger, some duct tape, a 9-volt battery and a small piece of metal.
The secret is the physical connection of the charger and the metal, which allows the battery to power the car charger.
H/T: Opposing Views