What is causing the price of the same parameters vary it? Xiaobian together with your Secret LED bulb price difference is so big reason.

1. lamp beads difference

   Different quality lamp beads price difference is very large, the different types of lamp beads vary greatly. As also is the 2835 lamp beads, some only 2 cents less, and some have to gross more than 7. Manufacturers in pursuit of low cost and very poor quality lamp beads, lamp beads so often there will be light fades very serious phenomenon, the use of a few months basically scrapped, this product is not as long-life incandescent lamp.

2.PCB

    PCB price differences between different materials is also very large. Such as aluminum plate about 200-300 yuan per square meter, FR4 about 150-200 one square meter, the lowest end of the cardboard only a few dozen dollars a square meter. In fact, the same aluminum plate, the same FR4, not the same price. Different materials have different thermal effects, use cardboard can cause heat conductive LED does not go out, thus affecting the LED lifetime.

3. Power

    Different types of power prices is not the same, and the power fluctuation is the biggest of the whole product prices will affect the most. As an RC Buck Power only you need more than one, and a good switching power supply takes five or six pieces, and even some to more than a dozen blocks. Impact on the quality of the power LED bulb is relatively large, poor quality of power supply during use prone to failure, such as dead lights, fried, etc.

4. Structure

   Huge price difference between the structure of different materials, and even the structure of the same material prices vary a lot. The plastic structure and metal structure completely unable to match. The same material structure, public mode and private mode prices vary a lot. The quality of the material also affects the cooling products, also related to the safety of users.