Where to Buy a LED Flashlight

“Which led flashlight to choose between a solar and rechargeable. In this article many useful tips for the purchase.”

Having a light on hand when we travel in the car, when we go camping, or just to keep at home in case of need or absence of electricity is always very useful, no? Who among us does not have at least one flashlight at home?

These portable light devices are really important when we are in the dark and in special situations. A very simple and useful object.

A flashlight can be constituted by these elements:

  • bulb incandescent or LED which is inserted in turn inside a reflector to increase light emanating;
  • protective lens in plastic or glass;
  • Compartment where it encloses the source that feeds the torch which can be in stack, dynamo (which transforms the mechanical work into electrical energy), a capacitor or energy accumulator in the case of solar energy torches.

Where to Buy a LED Flashlight

The first torch, invented in 1898 by David Misell (see http://www.garyflashlights.com/best/super-bright-flashlight/) had the brass reflector and was powered by a Sinco-coal pile. Today on the market we find the evolution of that first torch or torches that exploit the most innovative systems developed for the development of energy from renewable resources such as the solar radiation, as occurs with solar flares. Moreover, the material that is preferred for the construction of a torch will certainly not be the brass, but rather the aluminum and plastic, and the incandescent bulb is preferred to secure the LED known for its long life and low characteristics consumption.

Where to Buy a LED Flashlight 1

To date, LED flashlights have completely replaced incandescent ones.

There are in fact different flashlight topologies. Take for example the model Ljusa Ikea, which has a plastic body with aluminum reflector. It contains in its interior a capacitor that serves to accumulate the electric charge produced by a manual mechanism formed by a small crank that turn for a total of 20-30 times produces 1.5 minutes of light. It costs only € 3.99.

There are also LED flashlights to dual fuel (solar and dynamo). This type of torches, have both a solar panel (the purpose of which is to convert solar energy into electrical energy), it is the dynamo that, by means of a handle, transforms the mechanical work into electrical energy and in some cases that they can also be used to recharge the mobile phone in case of emergency because equipped with USB output to which to connect the cable to the mobile phone.

Even some of these LED flashlights (with two or three LEDs) have a button that allows you to set the brightness of two or three LEDs.

Where to Buy a LED Flashlight 2

In trading this type of LED torches can be purchased at the price of about € 20.00 on http://www.bridgat.com/shop/led-flashlights/.

Then there are the rechargeable flashlights, recommended to be always kept in the car that can be recharged by placing them in a vain cigarette lighter and that, on the market, we can find at the price of about € 9.00 also according to the characteristics.

But the inventiveness of man does not end there. Now we will speak of striking examples of what can be brilliant human mind. Young Ann Makosinski, for example, participated in the Science Fair in Vancouver coming in second with its innovative creation Hollow, a flashlight powered by the human warmth. In fact it is the heat transmitted from the hand holding the torch allows the lighting of the lamp.

The young girl has managed to exploit the thermoelectric effect which Jean Peltier discovered in 1834, according to which in a circuit consisting of two junctions and in which current is made ​​to flow, a junction absorbs heat and the same amount of absorbed heat is emitted the other junction. This torch is simply constituted by an aluminum tube which is located within another PVC pipe. The outer part presents a carved part to facilitate contact of the skin with the device so as to allow the heat exchange and so the ignition of the bulb.

Where to Buy a LED Flashlight 3

But another innovative idea, even if this involves a “considerable” amount of energy is the Jumping Light. This would be a common rope skipping were it not that the two handles (usually wood or plastic) hiding a dynamo that accumulates the kinetic energy produced by the rotation of the rope; the energy produced in turn supplies a low-power led spotlight and high brightness that is contained in the handle.

This makes Jumping light one of the most unexpected LED torches and one of the most innovative rechargeable flashlights.

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