Batteries play an important role in many different areas of life – particularly in flashlights.

In a survival situation, being able to adapt the battery itself or use external materials to make a flashlight usable could be key to your well being.

Batteries are one of those items we never think about until we need them – say when the power is out because of a storm – and they do not work.

With these hacks, even if your batteries are bad, you still have ways of making them useful.

Do you know any battery hacks? If so, let us know below.