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Batteries are History With New Flashlight Technologies

Minneapolis, MN (PRWEB) November 4, 2005

The flashlight industry has come along way since 1898 when Conrad Huberts first patent for the Eveready flashlight consisted of a hand-made paper, fiber tube, bulb and a rough brass reflectors that generated a mere flash of light. Since then, breakthroughs each decade have shed light into every corner of our lives.

The latest innovation in the light business is the state-of-the-art LED flashlight. LED or Light Emitting Diode is powered by converting the energy of motion into electrically energy by repeatedly passing a high-power magnet through a coil of wire. A capacitor then stores the electrical energy to power the white light LED. LED flashlights will never need batteries or charging since its energy source is motion. LED flashlights also do not use bulbs. Bulbs burn with heat, break under pressure, and die relatively quickly. LEDs are tiny light bulbs that fit into an electrical circuit and are illuminated solely by the movement of electrons in a semiconductor material. But, unlike ordinary flashlight bulbs, they are quite durable, they don’t generate a significant amount of heat, and because there is no filament to burn out, they typically last for thousand of hours according to the experts at

It was a long time coming, this renewable energy storage system. After Huberts initial invention, it was 12 years before the next big step: nickel-plated tubes that complemented vulcanized fiber. With the new tungsten filaments, the modern version was well on its way.

Flashlights by the 1920s had become a household essential. By 1966 thermoplastic molding encased the ever-evolving bulb systems, and in the following year the batteries were now rechargeable. In 1968 the world was introduced to the first fluorescent lanterns and in 1984 the first halogen flashlight.

Some attempts have been made to utilize solar energy as the power source for flashlights, but these models, though environmentally-friendly, are bulky (with solar panels), expensive, and not especially efficient.

Flashlight futures seem to be gravitating towards the LED, since it is the most durable, efficient, and powerful model to date. For more information, visit


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