How long do solar street light last？

How long do solar street light last？

  With the widespread use of solar street lights, the lifespan of these lights has become a matter of concern for many project managers. Solar street light is different from grid connection street light, it has more components.so the lifespan of a solar street light can vary depending on several factors including the quality of its components, the environment in which it's installed, and how well it is maintained. Generally, you can expect different components of the solar street light to have varying lifespans:

LED Light Lifespan: The LED lights used in solar street lights typically last between 50,000 and 100,000 hours. This means that if the light is used for 12 hours per night, the LEDs could last 10 to 20 years.

Solar Panel Lifespan: Solar panels are known for their long service life. Most solar panels used in street lighting can last between 20 to 25 years before their efficiency starts to significantly decline.

Battery Lifespan: The battery's lifespan is one of the limiting factors in the overall lifespan of a solar street light. Most batteries used in these lights, such as lithium-ion or lead-acid batteries, typically last for 5 to 7 years, depending on their quality and the environment. Extreme temperatures can reduce this lifespan.

Other Components: Other components like the charge controller and the physical housing of the light may have varying lifespans, but they generally last for a long time with minimal issues.

It's important to note that while some components may need to be replaced or serviced during the life of the solar street light, the system as a whole can remain functional for many years with proper maintenance. Regular checks and timely replacement of components like batteries can ensure that the solar street lights continue to operate efficiently over their lifetime.

How long do solar street light last daily ?

The daily operational duration of solar street lights, meaning how long they can provide illumination each night, depends on several key factors:

Battery Capacity and Charge: The battery stores the solar energy collected during the day. The capacity of the battery and the amount of charge it has accumulated will determine how long the light can operate at night. Typically, well-designed solar street lights are equipped with batteries that can sustain 5 to 8 hours of lighting, with some models capable of providing light for up to 12 hours or more.

Solar Panel Efficiency and Sunlight Exposure: The efficiency of the solar panels and the amount of sunlight they receive directly affect how much energy is generated and stored. In areas with ample sunlight, the panels can charge the batteries to full capacity, ensuring longer lighting duration at night.

Lighting Efficiency and Settings: The efficiency of the LED lighting and the settings (such as dimming features or motion sensors) also play a significant role. Some solar street lights are equipped with sensors to dim the lights when there is no activity, which conserves battery life and extends the operational duration.

Weather and Seasonal Variations: Weather conditions and seasonal changes can impact the performance of solar street lights. For example, during rainy or cloudy days, less solar energy is collected, which may reduce the lighting duration at night.

Age and Maintenance of the System: As the solar street light system ages, its efficiency can decrease, especially if the battery or other components are nearing the end of their lifespan. Regular maintenance can help ensure the system operates optimally for as long as possible.

In general, the daily working time of solar street light is similar to grid connection street light, depending on the working environment and the person in charge of his preset in advance.The difference is that we need to comprehensively consider the components of the solar street light, according to the working time and working environment, rationally match the power of each component, and customize suitable implementation plan.

Do you need a solar street light plan? Qingdao Hitech New energy Co.,Ltd. Could offer suggestions for you , based on over 15 years of experience in producing street lighting projects both domestically and internationally, equipped with extensive production and technical expertise.

 If you are looking for a suitable supplier for your project, please contact me for more options.