If you've been a survivalist or prepper for a while now, chances are you already have a 9-volt battery or two in your stockpile. You also probably know how to use this battery with steel wool to start a small fire for camping or emergencies.
We're about to show you another neat trick you can do with a 9-volt battery and it is super useful!
Before you start this particular project, you should gather the necessary supplies including aluminum foil and wire cutters.
This particular project makes it easy to power any device during any kind of situation. If you don't have access to electricity, this may be a real life saver!
Find out everything you need to know about the 9-volt battery trick on the next page. This is something you don't want to miss!