Home > Blog > Company
bLOG

How to Distinguish the Quality of Solar Street Lights

Jul 16, 2025

When purchasing solar street lights, the quality directly affects their service life, lighting effect and use cost. If you want to buy high-quality solar street lights, you need to conduct detailed inspections from multiple dimensions. The following is a set of professional identification methods to help you easily judge the quality of solar street lights.


Solar street light illuminating a camping area at night, with tents and people around a campfire
 

Observe the Appearance and Craftsmanship of Solar Street Lights

By observing the appearance of solar street lights, you can directly understand the sophistication of the manufacturing process, because high-quality products often pay more attention to the details of the production process and have a more perfect appearance. A solar street light with a delicate appearance means that its manufacturing process is more rigorous and the quality is more guaranteed.

Check the Joints and Surface Conditions

Carefully observe the joints of the solar street lights to see if they fit tightly and whether there are obvious gaps or looseness.
 

Check whether there are burrs, scratches, dents and other defects on the surface of the solar street lights, and touch them with your hands to feel whether they are smooth. If the surface is rough and there are many defects, it means that the production process may be rough.

Check the Welding Points

The quality of the welding points should not be ignored. Check whether the welding is firm, whether there are false welding, leakage welding, and whether there is looseness. Firm and flat welding points can ensure the stability of the solar street light structure and reduce the potential for failure in later use.

Evaluate the Light Efficiency and Brightness of Solar Street Lights

The purpose of solar street lights is to provide light for people. Therefore, its light efficiency and lighting brightness are the core indicators for distinguishing the quality of solar street lights. These factors can directly affect the use effect of solar street lights.

Understand the Importance of Light Efficiency

Light efficiency refers to the luminous efficiency of the light source. High-quality solar street lights will use high-performance LED light sources to produce higher light output at the same power. This means that more sufficient light can be provided when consuming the same energy.

Investigate Lighting Brightness and Range

The lighting brightness should not only look at the brightness of a single position, but also pay attention to the uniformity of the lighting range. Different scenes have different requirements for the lighting range and brightness, and it is necessary to combine the actual use scene to determine whether it meets the needs. You can observe the lighting effect of solar street lights through on-site testing, or refer to the parameters in the product manual, such as illumination value, beam angle, etc., to confirm whether it meets the relevant standards.

Pay Attention to the Performance of Solar Street Lights Batteries

Batteries are the core components of solar street lights for storing energy. Their performance directly determines the endurance of street lights and is one of the key indicators for judging the quality of solar street lights. The performance of solar street light batteries is crucial to the overall performance of street lights. Reasonable selection and attention to battery performance can make solar street lights play a better role during use.

Matching of Battery Capacity and Power

Light panels of different powers need to be matched with batteries of corresponding capacity, which is the basis for ensuring the normal operation of solar street lights. Taking a 100W LED light panel as an example, a 3000mAh (3Ah) battery can support its nighttime lighting for about 8 hours; if you want to extend the battery life, such as continuous lighting for 3 days, combined with intelligent light control technology to optimize energy consumption, an 8000mAh (8Ah) battery can basically meet the needs.

Be Wary of False Labeling of Battery Capacity

In order to attract consumers, some merchants will falsely label the battery capacity, such as claiming to reach 100 ampere hours (Ah), but the actual capacity may be much lower than this.
 

If you want to verify the authenticity of the battery capacity, you can compare the weight of different batteries. Generally speaking, for the same type of battery, the higher the capacity, the heavier the weight. Comparing the weight of two solar street lights with different battery specifications can help determine the authenticity of the capacity label.


Solar street lights installed along a coastal road under a clear blue sky during the day
 

Practical Tips for Choosing Solar Street Lights Batteries

When choosing, make sure that the battery capacity matches the power requirements of the LED light and the expected duration of use. At the same time, considering long-term reliability, it is especially important to be able to cope with continuous rainy weather to avoid affecting the use due to insufficient battery capacity.

Investigating Solar Panel Specifications

The energy source of solar street lights is sunlight, and solar panels are the equipment responsible for converting sunlight into electrical energy. The specifications and efficiency of solar panels are crucial, which are related to whether solar street lights can get enough power and maintain sufficient battery life.

Size and Efficiency of Solar Panels

The physical size of solar panels and the density of photovoltaic cells determine their ability to capture sunlight. Generally speaking, larger panel areas and higher cell densities can more efficiently convert sunlight into electrical energy.

Impact of Insufficient Specifications on Performance

If the solar panel is too small or inefficient, it will not be able to fully charge the battery during the day. At first, the light may be bright, but as the battery struggles to fully charge, the brightness will gradually decrease, especially during consecutive cloudy or rainy days.

Key Points for Choosing Solar Panels

When choosing solar street lights, consider the size and efficiency of the solar panels. Choose solar panels of appropriate specifications based on battery capacity and lighting needs to ensure that the battery can be charged with enough power to maintain stable lighting even in poor lighting conditions.

Check the Function of the Solar Street Light Controller

The controller is like the "brain" of the solar street light, which has an important impact on the charging efficiency and device life.

Necessary Protection Functions

A high-quality controller should have overcharge and over-discharge protection functions. Overcharging can cause battery damage, and over-discharge can shorten the battery life. These protection functions can effectively extend the battery life.

Practical Function Configuration

The functions of the controller are also critical, such as the light control function, which can automatically turn the light on and off according to the light brightness; the time control function, which can set the lighting duration; and the intelligent sensing function, such as human body sensing to adjust the brightness, which can improve the convenience and energy saving of use.

Pay Attention to the Energy Consumption of Solar Street Light Controllers

Choose a controller with high charging efficiency and low power consumption. This can reduce the loss of energy in the conversion and management process and improve the overall energy efficiency of solar street lights.

Pay Attention to the Waterproof and Moisture-Proof Technology of Solar Street Lights

Solar street lights are in outdoor environments for a long time, facing wind and rain, and waterproof and moisture-proof technology directly affects their service life.

The Importance of Waterproof Performance

If solar street lights are installed in a relatively humid environment, good waterproof performance is crucial. When purchasing solar street lights, you need to carefully check the sealing structure of the lamp housing to ensure that it has a good waterproof design. If the waterproof performance is not good, it is easy to get water in on rainy days, causing damage to internal components and affecting the normal operation of solar street lights.

Moisture-Proof and Insect-Proof Design

In a humid environment, the electronic components inside solar street lights are prone to rust. In addition, after outdoor mosquitoes enter the lamp body, the substances they secrete may corrode components such as the control panel (PCB). Therefore, pay attention to the moisture-proof and insect-proof design of the product, which is also an important means to extend the service life of solar street lights.

Choose an Experienced Solar Street Light Brand

The production experience and capabilities of different solar street light manufacturers vary greatly, and many manufacturers lack the production experience and technology of outdoor solar lights. Give priority to brands with mature outdoor product production experience, whose waterproof and moisture-proof technology is more reliable and can effectively ensure the long-term stable operation of street lights.
 

As a solar street light manufacturer with more than 20 years of experience, Nokin's products have been applied to dozens of countries and regions, and its product quality has been recognized and appreciated by customers. Choose Nokin solar street lights, choose more durable and efficient solar lighting!


Solar street lights set up in a park surrounded by trees on a cloudy day
 

Summary

Purchasing high-quality solar street lights requires systematic evaluation of the following core elements: the appearance and craftsmanship quality of solar street lights, light efficiency performance parameters, energy storage system configuration, solar panel specifications and efficiency, intelligent controller selection, structural stability and waterproof and moisture-proof performance, etc. Only by comprehensively examining these technical parameters and combining the lighting conditions and lighting requirements of the specific installation scene can you choose a solar street light solution with stable performance and long life.




Share:
Send Your INQUIRY
Welcome to our product consultation, here to provide you with professional solutions.