Three weeks after the power has gone out, and all of the batteries are dead, survivalist will be glad that they invested into some kind of hand crack flashlight – also called a dynamo powered flashlight. Whether its a type of lantern, or flashlight, it does not matter, these things are good to have around.[caption id="attachment_851" align="aligncenter" width="450"] Hand crank lantern[/caption]
The basic principle of a hand crank lantern is that it does not need batteries. Even though these devices say they do not “require batteries”, they have a couple of AA rechargeable batteries to store the charge. A few cranks of the handle is enough to charge the batteries for for several minutes of light.