FAQ About Solar Street Lights

With the development of street light technology, solar street lights are now more and more widely used, but in fact, many people do not know much about street lights. By learning following questions and answers, we will know more about solar street lights.

Q1: What's solar street light?

Solar street light, as the name suggests, is a kind of light that converts solar energy into electric energy and then uses this electric energy for lighting. There are many advantages of using solar street lights:

Convenience: Easy installation, no need to use cables, no power outages and electricity bills

Long lifespan: intelligent control system, intelligent design, reliable quality

Innovative: technological products, very energy saving and environmental protection

Q2: How does the solar light work?

So how do solar street lights convert solar energy into electrical energy for lighting? First of all, let's get to know the components of solar street lights. Solar street lights are mainly composed of solar panels, LED light sources, storage batteries, controllers, motion sensors and other parts.

At day time, solar panels collect energy to store it in the solar batteries. The controller manages the charging process to most efficiently transfer the panel’s energy production to the battery pack. Solar batteries store energy providing both energy for immediate access and back up capacity for days with low/no sun. The LED lights are optimized to achieve maximum efficiency while maintaining low energy consumption. After dark, the controller draws electricity stored in the batteries to power the LED lights based on user defined lighting profiles. Status information on all system components is sent every few minutes to the Cloud Control System. This enables 24/7 remote monitoring and control of every solar street light.

Q3: If there isn't sun, can the lights still work?

Since the solar light needs sunlight to work, can it still work on rainy and cloudy days which are without sunlight? The answer is yes.

Solar street lights are designed with waterproof and batteries to store energy, and certainly cloudy and rainy days must be considered when designing. Therefore, solar street lights can work in rainy days. If it rains for several consecutive days, it depends on how many consecutive rainy days the street light configuration and technology can support.

On the other hand, solar panels can also be charged in rainy days, but the charging capacity will be different according to the degree of rainy days. Solar street lights are equipped with battery charging and discharging devices, which usually charge them when full of sunlight and maintain the battery power supply of the street lights in rainy days. Solar panel is charged by sunlight. On cloudy days, the sun’s rays are weak and the charging capacity is relatively weak.

Q4: Where is the best place to install solar street light?

Solar street lights can be installed in many places, such as urban roads, parks, parking lots, suburbs, etc. And sure, the more sunny the place, the more suitable it is to install solar street lights, so that the solar street lights have enough electricity to generate electricity and lighting.

Q5: How does the light know when to turn on and turn off?

Most people would notice that the street lights are turned off during the day, and at a certain time in the evening, they are automatically turned on. So, how do solar street lights open/close?

In fact, the solar street light can automatically open and close, all of which are the credit of the solar street light controller. After installing the controller, the opening and closing can be automatically controlled. According to different requirements, solar street lights can be designed with light control, time control and human body induction. Not only can the charging and discharging time of the battery be controlled, but the intensity of the discharge can also be controlled.

Q6: How long can the solar street light last?

LED solar street light is an independent lighting system. Its life span should consider the life of the light source, solar panel, controller and battery, mainly the life of the battery.

The life of the light source is generally about 50,000 hours; the life of the solar panel is more than 20 years; the life of the controller is generally more than 10 years, depending on the life of the electronic components. But the battery life is the disadvantage of solar street lights. Generally, lead-acid batteries are used for 2-4 years, and lithium batteries are used for 4-8 years, mainly depending on the manufacturer's materials.