Batteryless Flashlights -- Possibly Your Best Friend In Time of Need

By: Shoaib J.
Submitted: 2007-01-17 16:41:54
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Recently, batteryless flashlights have consistently been gaining popularity. Though the name is self-explanatory, they are also known as “shake flashlights” or “forever flashlights”. There are many advantages and some disadvantages of owning a batteryless flashlight. Here we will try to go over some of the main ones.

Before we go into the advantages and disadvantages of owning batteryless flashlights, let's briefly go over how they actually work. The way you get light of out of a batteryless flashlight is by shaking it back and forth for approximately 30 to 60 seconds. When you're done shaking, a typical shake flashlight will give you about five minutes of light, maybe a little bit more. The mechanism of a batteryless flashlight is pretty simple. Your common 21st century batteryless flashlight will have a coil of copper wire inside of it. Inside that coil of copper wire, a small magnet can usually be found. When you shake that flashlight back and forth, you are essentially creating energy in the form of electricity. That energy is then stored into a capacitor found inside the flashlight. That capacitor powers your batteryless flashlight and miraculously gives you light.

The main advantage of investing in a batteryless flashlight is of course saving on the cost of batteries. You won't ever run out of batteries and find yourself running to the store to get some batteries when you really need your flashlight. Also, batteryless flashlights use an LED (Light Emitting Diode) instead of a regular bulb. Those LEDs can almost last forever, so you won't be running out to get a bulb either. These flashlights normally come in nice, compact sizes and won't go out on you if exposed to a little bit of water. Some of the higher-end models can practically be drowned in water and still come out fine. Pretty neat, huh? Finally, they can prove to be really useful in times of emergencies, when you may not have the luxury of driving to the store to get batteries for your existing flashlight.

There are really only two big disadvantages that come with owning a batteryless flashlight. First, the LEDs utilized by these flashlights are not as bright as some of the high-powered flashlights that use batteries. Second, batteryless flashlights only give you a limited amount of time to work with, usually in the range of five to thirty minutes. So if you need to use your flashlight for long periods of time, you may be better off investing in a nice, high-powered flashlight that uses a different source of power (batteries).

If you would like to get your very own batteryless flashlight, just do a search on Google for “batteryless flashlights” and you will find many websites selling them for reasonable prices.

The final verdict? All in all, it is wise to have at least a couple of batteryless flashlights around the house. You never know when they might come in handy. The advantages certainly exceed the disadvantages when it comes to having your own batteryless flashlight. In the end, it's your personal preference whether you would like to own such a thing or stay with a big, high-powered battery guzzling flashlight.

You can find more useful and practical information about batteryless flashlights at Batteryless Flashlights.

Article source: Expert Articles

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