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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.

If you want to have a flashlight handy and not have to worry about dead batteries when you need it, a hand crank flashlight is perfect. Keep a crank flashlight on hand for emergencies such as a power failure, and for recreational use.

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 generate electricity used to power and light up the bulb.

The crank flashlight is convenient because it is powered by the user and it will work as long as the bulb lasts, and bulbs need replacing much less frequently than batteries. The other functions some crank flashlights have, such as radios and lamps, have made the product very appealing.

The built in radio that a crank flashlight may have serves as a portable source of entertainment for those without electricity, and again without the need of a battery. A built-in lamp serves as a much more wider source of light, perfect for illuminating rooms, cars, or tents. A crank flashlight is a important item to have in your emergency kit because it does not work on batteries and no matter when you need the crank flashlight is ready for use.

It’s perfect for leaving in a glove compartment, under a car seat, backpack, desk drawer, or even in storage areas like an attic or basement. Because the flashlight may or may not have a multitude of attachments, the size may vary and more portable units are much smaller with a smaller bulb and hand crank, while others can be as big as a 2 liter bottle of soda as they carry more than just the flashlight.

Depending on the usage for the crank flashlight, one could even carry it in his or her’s pocket. The reliability is what separates crank flashlights from regular flashlights. Hand crank flashlights will never, ever need batteries, unlike standard flashlights. It is great for when you have forgotten batteries and you have no lights.