LED is a new type of flashlight, since the advent of white LED, has been launched, but the initial time due to white led low brightness, high cost, LED Bags Lights it can be said that such products have been in the "laboratory stage", expensive price ordinary people no one dare to, some of the military has a small amount of promotion. With the brightness of white led increase, the cost of reducing, LED Bags Lights gradually go as the public ranks. The increase in brightness is mainly due to the appearance of Ito, the brightness almost doubled, and the price, due to the improvement of the production process, from the original 4 yuan to the present 4 cents a single, cheap 1 cents is also a lot of money. LED Bags Lights Now the popular flashlight in the market has 9 or 12 diameter 5mm led, connection mode for parallel, 3 section 7th battery power. or 1 of 1W or 3W or 5W high-power led. 1W high-power LED single device price range from 15-35, the initial launch of the Lumileds 1W high-power led as if to sell 4-5 U.S. dollars.
The semiconductor illumination is called the fourth generation illumination light source, may say is one kind of renewal product, the cost is much higher than the ordinary lamp flashlight, but the life is long. Energy-saving, ordinary bulbs do not know how much, with LED flashlight about 1w-5w unequal, LED Bags Lights and energy-saving advantages, and put away the flashlight, led the current market-oriented products in the energy consumption between incandescent and fluorescent lamps. But absolutely environmental protection, non-polluting. Long life, is the recognized advantages of LED, but the market on the flashlight with LED can be said to be mixed.
LED Flashlight Another fatal disadvantage (common people easily found shortcomings), the color index low! The colors shown under the LED are not true for the incandescent lamp, which is analyzed from the spectrum distribution and is technical in nature. There is also a disadvantage, LED Bags Lights the spot, because the white led itself manufacturing process defects coupled with the reflection cup or lens of the matching error, easy to cause "yellow circle" problem. Some manufacturers do not consider device quality and coordination problems, completely copy other manufacturers products, LED Bags Lights the quality of the LED flashlight flooded the market, seriously damaged the reputation of LED.
Compact LED flashlight refers to the use of a AA battery or AAA battery lamp with a small flashlight, or three-button battery with a pocket flashlight or keychain flashlight. This kind of compact LED flashlight's concentrating effect is also poor, power consumption is also larger, but in the city for temporary emergency lighting or night to see things, etc. is not a long time to use the case, there is a certain practical value. LED Bags Lights This flashlight because of the use of time is not much, often stored up for temporary use, LED Bags Lights it is best to use a good sealing alkaline batteries (generally can be stored for two or three years will not be ineffective), do not use ordinary carbon batteries, so as not to avoid a long time out of the electrolyte and damage the flashlight.