Why is the retail price of LED lamps so different?

Recently, Taobao and some QQ Group websites have some sales information from time to time. 3WLED bulb light 6.5 yuan, 3W ceiling light 4.7 yuan. Attracted a lot of curiosity attracted low prices of consumers, many people think that the price of LED lights, and instantly reached the price of ordinary energy-saving lamps, brightness is much higher than the energy-saving lamps, many terminal consumers can not help but buy a lot of cheap The LED lights were used for home decoration, but often the consequences were disappointing.

These inexpensive LED lights have caused many blows to the nation's regular LED factories. Because of the regular LED lights, the ex-factory cost of lighting (without labor costs) is higher than the retail price of these low-cost LED lights. How do these cheap LED lights are manufactured in the market?

The reporter learned through the discovery that the so-called low-cost LED lights, compared with the actual LED lights, have the following aspects: 1, the lamp beads with less than wattage (usually 0.75W, 0.5W lamp beads, outside the virtual 1W, there is no real 1W LED lamp bead, in order to reduce the chip cost. 2. The outer shell is made of the lightest and lightest pressure. The cost of aluminum is much lower and the cost is also reduced. 3, The power supply adopts resistance-capacity and voltage-decreasing, without constant current source, the cost is reduced by half. However, security is not high. The cost has also dropped.

As a result, this low-cost LED light was produced. According to investigations, most of these low-cost LED lights have been guaranteed for one or six months. Many of them have been burned out in less than a month and replaced. Was rejected again. Actually created a lot of electronic waste. It is better to use ordinary energy-saving lamps.

This is the current low-cost LED lighting manufacturing principles. "One price, one goods, and cheap goods are not good." The old saying handed down by the old ancestors, although not 100% accurate, is still very useful for reference. There is a certain truth.