Before 1990 LED lights were colored and
they were used for little things like a digital sign or maybe a key ring light.
However this light was insufficient to produce the brightness needed for
visibility in the dark. Once the white light was discovered the LED Flashlight came into being. Now,
let’s find some information about the LED Flashlight. anty881209wong 131129
Energy Efficiency
One of the greatest features of LEDs lies
in their energy efficiency. They typically use less battery power than normal
bulbs and may last upwards of 100,000 hours. This may vary considerably
depending upon how they are powered and the voltage that is being used.
Power Source
The battery is the most common power source
for LED flashlights. The most commonly used batteries include lithium, button
cell, alkaline and rechargeable lithium ion. Some flashlights function on solar
power, while some may have an electrical generator built inside them. These are
good for emergency situations when there are no batteries available.
Life of LED Flashlight
LED bulbs last much longer than the
traditional incandescent type of bulb. You can expect to get at least a
thousand hours of light from one of these flashlights, depending on the quality
of the bulbs used. Some high-output LED flashlights will have a lifespan of
more than 100,000 hours.
Advantages
The advantages of LED flashlights include
more efficiency at lower power levels and longer battery life than the
conventional flashlights. LED flashlights can also be electronically managed to
give a constant light output as the batteries gradually die out. LEDs also do
not change color as the battery output decreases, unlike the conventional light
bulb.
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