What are the materials of solar street lights?

What are the materials of solar street lights?

Solar street lights, as an environmentally friendly and energy-saving lighting device, have gradually become the mainstream choice for urban road lighting. It uses solar energy as energy, converting it into electricity through solar panels, storing it in the battery, and automatically releasing energy for lighting at night. Solar street lights not only have the characteristics of green environmental protection, but also effectively reduce urban energy consumption, reduce power load, and make urban construction more sustainable. The material selection of solar street lights plays a crucial role in their performance and lifespan. The following shinetoo will introduce common materials for solar street lights.

1. Material of Street Lamp Pole:

The pole body of solar street lights is usually made of materials such as stainless steel, aluminum alloy, cast iron, etc. The stainless steel rod body has the characteristics of corrosion resistance and good wind resistance, suitable for humid environments and coastal areas; The aluminum alloy rod body is lightweight, easy to install and maintain, and has high strength and stability; The cast iron rod body is more sturdy and durable, suitable for areas with poor road conditions.

2. Solar panel material:

Solar panels are the core components of solar street lights, and their materials are mainly divided into monocrystalline silicon, polycrystalline silicon, and amorphous silicon. Monocrystalline silicon battery panels have high conversion efficiency and stable performance characteristics, but their production costs are relatively high; The conversion efficiency of polycrystalline silicon battery panels is slightly lower, but they are more cost-effective; The manufacturing process of amorphous silicon battery panels is relatively simple, with high flexibility, and is suitable for the production of flexible battery panels. It is very important to choose the appropriate material for the battery panel based on actual needs and economic considerations.

3. Battery material:

The battery of solar street lights stores the energy converted from solar energy, so the battery material directly affects the energy storage effect and service life. The commonly used battery materials currently include lead-acid batteries, lithium batteries, and nickel hydrogen batteries. Lead acid batteries are a mature, economical and practical choice, but they are large in size, heavy in weight, and require regular maintenance; Lithium batteries have advantages such as small size, high energy density, and long lifespan, but their cost is relatively high; Although nickel hydrogen batteries are environmentally friendly, they have relatively low battery capacity and charge discharge efficiency. Based on the usage needs and budget considerations of solar street lights, suitable battery materials can be selected according to the actual situation.

4. Lamp shade material:

The lampshade of solar street lights is mainly used to protect lamps and scatter light, and common materials include PC, acrylic, and glass. PC material has the characteristics of impact resistance and good weather resistance, suitable for harsh environments; Acrylic material has good transparency and relatively low price, but slightly lower impact resistance; The glass material has excellent transparency, but is relatively fragile. Select appropriate lampshade materials based on the installation environment and actual needs of street lights to ensure the performance and lifespan of the lamps.

5. Controller material:

The controller of solar street lights plays a role in controlling and protecting batteries, controlling light and time, and the selection of materials has a significant impact on the stability and reliability of the controller. The commonly used controller materials include aluminum alloy, plastic, and stainless steel. Aluminum alloy has the characteristics of good heat dissipation and strong corrosion resistance, making it suitable for places with long-term operation; Plastic materials are cheap, but they are prone to deformation in high-temperature environments; Stainless steel material has good corrosion resistance and is suitable for humid environments. Select appropriate controller materials based on the specific usage environment and requirements of solar street lights.


The material selection of solar street lights is crucial for their performance and lifespan. When selecting materials for street light poles, solar panels, batteries, lampshades, and controllers, it is necessary to consider factors such as actual needs, budget, and usage environment. For example, for humid and coastal areas, stainless steel poles and controllers are a good choice; For cost sensitive projects, polycrystalline silicon battery panels and lead-acid batteries are more economical and practical choices. In summary, selecting the material of solar street lights reasonably can improve their performance and service life, and achieve more reliable and long-lasting street lamp lighting effects.

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My name is Toni Qian, I have been working as an engineer in SHINETOO LED lighting for 15 years. Welcome to Contact us!
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