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How to Make Your Outdoor Solar Street Lights last longer?

Nov 27, 2024
As a new type of environmentally friendly lighting equipment, solar street lights are very popular in the pursuit of energy conservation, emission reduction, and sustainable development. The energy of solar LED street lights comes from clean and pollution-free solar energy. They do not need to be connected to the power grid, get rid of the constraints of traditional power grids, and greatly reduce the consumption of fossil fuels. At the same time, they are not affected by power failures and can provide people with stable and sustainable lighting without polluting the environment. When you purchase solar street lights, there are many factors to consider. The service life of solar-powered street lights must be one of your most concerned issues. In the following article, we will discuss the service life of outdoor solar street lights.


 

How long is the lifespan of solar LED street lights?

The service life of commercial solar powered street lights is usually related to their components. For example, the service life of solar panels is generally 25-30 years. If lithium batteries are used, they can be used for 5-10 years. If lead-acid batteries are used, they can only be used for 3-5 years; the service life of LED lights can generally reach 10-15 years, or even longer. Therefore, in general, the average service life of a whole set of solar street lights is generally between 10-15 years. Of course, this also depends on the use environment and maintenance. If the environment is suitable and the maintenance is proper, it may be longer.

Factors affecting the service life of solar street lights

1. Solar panels

The quality of solar panels directly affects their photoelectric conversion efficiency, affecting the working efficiency and service life of the entire solar street light system. Solar panels are generally made of monocrystalline silicon and polycrystalline silicon. The conversion efficiency of monocrystalline silicon is generally higher than that of polycrystalline silicon. In addition, during use, special attention must be paid to the cleaning of solar panels. They cannot be covered by leaves or debris. Snow should be cleared in time in winter; otherwise, it will affect the solar panels receiving sunlight and affect the life of the panels and solar street lights.

2. Types and selection of batteries

The function of batteries is to store the electrical energy converted by solar panels. Common battery types for outdoor solar powered LED street lights include lead-acid batteries and lithium batteries. Among them, lithium batteries have low pollution, a long service life, and the most stable performance. The maintenance of the battery will also affect its service life. Overcharging and over-discharging may shorten the service life of the battery and affect the use of solar street lights.


 

3. Selection and quality of light sources

Common light sources include low-pressure sodium lamps, low-voltage electrodeless lamps, LED lamps, etc. At present, the light sources generally used in solar street lights are sodium lamps and LED lamps. Sodium lamps are cheap, but their service life is short. Therefore, high-quality solar LED street lights choose LED lamps with lower energy consumption and higher efficiency. The service life of good-quality LED lamps can reach 50,000 hours.

4. Smart controller

The smart controller of solar street lights integrates a battery management system; it can monitor the overcharge and over-discharge of the battery, monitor voltage, current, etc., to ensure that the battery is in optimal working condition. At the same time, the smart controller can also reasonably distribute energy and intelligently dim, improving the overall efficiency and sustainability of the solar street light.

5. Climate and environmental conditions

The local climate and environment where solar street lights are installed will also affect the service life of solar powered LED street lights. For example, high temperatures, extreme cold, wind and sand, rain, and snow will accelerate the aging and damage of solar LED street light components. The latitude of the installation area is different, and the installation direction and angle of the solar panel will also affect the absorption of solar energy and the life of the solar street light.


 

5 tips to make your solar lights last longer

1. Pay attention to the installation location of solar LED street lights. 

Commercial solar powered street lights need to be installed in an open space, without tall buildings and trees around to avoid affecting the solar panels from receiving sunlight, affecting the conversion efficiency, and affecting the use time of solar street lights. In addition, solar street lights should also avoid being exposed to other light sources to avoid affecting the normal operation of solar powered LED street lights.

2. Please fully charge before use.

Before the solar street light is put into use, please fully charge it. New outdoor solar street lights need at least 12-14 hours of direct sunlight to be fully charged. You can put them outdoors in a sunny place for two days so that the commercial solar powered street light is fully charged before use.

3. Clean solar panels in time.

The dirt and debris on the solar panels will affect their reception of sunlight and conversion efficiency. If the solar LED street lights cannot obtain sufficient electricity for a long time, it will seriously affect their normal use. Therefore, it is necessary to clean the solar panels in time and keep them clean.

4. Avoid overload operation.

According to the actual use, intelligent sensing devices such as motion sensors reasonably control the brightness and lighting time of solar street lights, which can not only reduce energy consumption but also avoid waste and protect the battery from overcharging and over-discharging, affecting its service life. 

5. Regular inspection and maintenance.

Regularly clean the dust and debris on the solar panels, check the batteries regularly, avoid over-discharging and overcharging, and ensure that the batteries work in good condition. Regularly check the various components of solar street lights, such as batteries, control systems, and lamps, and replace damaged or aging components in time to maintain the normal operation of the system.


The service life of solar street lights depends on the quality and life of their components and is related to their maintenance and installation environment. When you use outdoor solar street lights, you need to pay attention to the installation location of the solar LED street lights to avoid obstruction. At the same time, you must avoid long-term overload operation of solar powered LED street lights and regularly inspect and maintain solar panels and batteries, so you can make your commercial solar powered street lights last longer as much as possible.


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