Crank flash lights are great in an emergency and they have other uses as well. The crank charges and subsequently powers the flashlight along with a variety of parts that may come with the flashlight depending on the make of the unit.

One may keep a hand crank flashlight on hand for any purpose for which an ordinary flashlight would be appropriate, but without the need for batteries. The crank flashlight is also very handy in situations like a power outage or a camping trip.

A crank flashlight works by turning a hand crank affixed to the flashlight body - as the crank turns and creates a magnetic field that is pushed against a negative magnetic field created by a static field coil. The conflicting currents create the electrical power used to fuel and light the bulb.

Being human-powered, the crank flashlight can operate as long as the bulb lasts, making it much more convenient as a bulb does not need to be replaced as often as a battery. The other functions some crank flashlights have, such as radios and lamps, have made the product very appealing.

When without electricity, you can use your crank flashlight to light your way if your model comes with a radio, it can keep you updated with breaking news. A built-in lamp serves as a much more wider source of light, perfect for illuminating rooms, cars, or tents. A crank flashlight is ideal for emergency situations as there is no need for batteries.

A crank flashlight would be good to have in such places as your car, dresser drawer, your purse or pocket as well as in your attic and/or basement. Since the flashlight can come with or without several attachments, it can come in different sizes; smaller and more portable ones come with a smaller bulb and a hand crank and others can be as large as a 2 liter bottle, because apart from the flashlight, they also have other attachments.

Depending on the usage for the crank flashlight, one could even carry it in his or her’s pocket. Crank Flashlights are far superior to normal flashlights due to their durability and dependability. A normal flashlight needs new batteries every few months; hand crank flashlights, never. It’s perfect for those occasions when it’s dark, you’re out of batteries, and you need light.