What is the working principle of solar street lights? How long is the lifespan?

Solar street lights are a type of road lighting equipment that utilizes solar energy charging and uses LED lights as the light source. This technology has been widely used in urban road lighting, nighttime lighting of roads and bridges, and lighting of parks and green spaces.

working principle

The basic working principle of solar street lights is that solar panels convert sunlight into electricity, store it in the battery, and then adjust the power supply by the controller to light up the LED lights. In the solar street light system, solar panels are the core component, and the output power of the panels directly affects the work efficiency and lighting level of the entire system. When the sun sets, the controller operates and uses the battery’s energy to power the street lights until dawn.

service life

The solar street light adopts high-quality LED lighting fixtures, with a service life of 5-10 years. The warranty period of the entire solar street lamp system is generally around 3-5 years, depending on the different after-sales warranty policies of different manufacturers.

Due to the use of solar panels and LED light sources, solar street lights have the advantages of high efficiency, long lifespan, and durability. Not only does it reduce energy consumption and waste, but it also has environmental characteristics. During use, the following points should be noted:

1. Solar panels should face south or close to direct sunlight to achieve optimal solar energy harvesting efficiency.
2. Street lights require regular inspection, cleaning, and maintenance to ensure battery life and work efficiency.
3. In the use of solar street lights, strong mechanical collisions such as pedestrians, vehicles, or fans should be avoided.
4. In cold months or long-lived areas, consideration should be given to using low temperature constant current to offset the impact of low temperature on the battery.

Solar street lights have a unique working principle and lifespan, making them a green, environmentally friendly, and energy-saving road lighting equipment. During use, attention should be paid to maintenance and upkeep to extend the service life of solar street lights.