Core Factors Affect Led Solar Street Light Lifespan

Solar street light is a very popular outdoor lighting fixture. Its power resources are derived from clean and pollution-free solar energy, without the need to connect to the grid. Traditional street lights rely on power grids, usually coal power generation, and cannot provide lighting in the event of a power outage. There is no need to worry about this problem when using led solar street lights. In addition to the lighting effect, people are most concerned about its service life. Some users think that the service life of led solar street lights is relatively short, and they are not as easy to use as traditional street lights. However, the reasons for the short service life of led solar street lamps are more complicated. Part of the reason is that many small manufacturers on the market do not have any technical strength. Their led solar street lights are patched together by purchasing various components; using inferior materials and accessories, the quality is not guaranteed, and there is no core technology, which can not achieve energy saving and prolong the service life. On the other hand, when some users purchase led solar street lights, they do not realize the important role of solar street light technology innovation, and win the bid through the reserve price, leading to a variety of low-quality and low-quality products on the market rampant. The core factors affecting the service life of led solar street lights are as follows:

1. Battery

The battery is an important component that determines the service life of led solar street lights. The main function is to store the electric energy converted from the battery panel. If the battery has a problem and the street lamp has no electric power reserve, then the lighting of the led solar street lamp will inevitably be affected. Therefore, pay special attention when purchasing batteries. At present, the batteries that led solar street lights use more include lead-acid batteries, gel batteries, and lithium batteries. Lithium batteries are the most popular, with low pollution, long service life and stable performance. The capacity of the battery is also very important and needs to be matched with other accessories. Professional street lamp manufacturers will configure the appropriate battery capacity according to the customer's lighting needs.

2. Light source

Different types of light sources have different service lives. Light sources generally include low-pressure sodium lamps, low-voltage induction lamps, LED lamps, etc. Nowadays, most of the light sources we use to install solar street lamps are sodium lamps and LED lamps. The price of sodium lamp is cheaper, but the life span is relatively short; LED lamp has a service life of 50,000 hours, if it is lit for 10 hours a day, it can be used for at least 10 years, but the price is higher than other light sources. Therefore, led solar street lights using LED light sources on the market are not very common, but large and powerful manufacturers usually use LED light sources with the best performance in order to provide customers with a better product experience.

3. Solar panels

Its main function is photoelectric conversion, and its service life is also very long. Solar panels are generally made of monocrystalline silicon and polycrystalline silicon. Monocrystalline silicon has a much higher light conversion efficiency than polycrystalline silicon. Now the overall technology of led solar street lights has been improved, and generally its life span is about 25 years. In the process of using solar led  street lights, pay attention to keeping the surface of the battery panel clean. If the surface of the solar panel is covered by leaves or debris, it will not be able to fully absorb sunlight. It is easy to cause heat island effect and affect the service life of solar panels and street lights.

4. Launcher

Different lamps have different starting methods and require different ballasts or driving power lamps, which have a greater impact on the light source. Especially LED light sources are generally driven by constant current sources. The quality of the constant current source and whether the setting parameter range is suitable for the light source are very important, mainly depending on the constant current accuracy, output parameter efficiency, protection circuit and other parameters.

5. Controller

The function of the controller is to control the solar panel to charge the accumulator and to supply and illuminate the solar street lamp. High-performance controllers can help street lights achieve the desired lighting effects. A good controller must have stable performance, so that it can control, detect and protect solar cell components and batteries.