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Sep 30 , 2021

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How to maintain the solar street light?

With the features of high brightness, easy installation, stable and reliable operation and long service life, solar street lights have been installed to many places, such as urban and rural roads, tourist attractions and parking lots. Solar street lights do not demand much manual intervention once they are installed. Even though solar street lights usually are low maintenance products compared to conventional lights, proper maintenance can help extend their lifespan and efficiency. In this article, we will talk about the basics about solar street light maintenance.

Clean the solar panels

This step is important to solar street light maintenance and will directly influence how well your outdoor lights function. A lot of debris and dust that accumulate on the outer screen of the solar panels will hinder their ability to absorb sunlight. Generally, daily cleaning is no need because rainwater washes away the dust attached to solar panels on rainy days. It is recommended to clean the panels at least every six months. Regular cleaning will make sure the solar panels function normally.
Cleaning the solar panes is quite easy and does not take much time. It is best to clean your solar panels early or late in the day to avoid cleaning them when the fixtures are hot. The first step is to use a hose to get the panels wet. This will wash off all the loose dust particles and debris, after that use soapy water with a soft bristle brush and scrub off the rigid layer of dust from the panels. After this, wash off all the soap water and make sure no residues of soap are left on the solar panels. If properly maintained, solar panels can have a lifespan of around 25 to 30 years. 

Regularly trim the surrounding trees

Any plant, tree or shrub that may block the sun for part of the day needs to be regularly trimmed to make sure your solar panels have full sun exposure. That’s because your solar street lights rely on sunlight. Removing shade-creating objects is a crucial step in taking good care of solar street lights. You’d better keep a keen eye on the shrubs and tree branches that grow around your solar street light. According to their growth rate, you may need to prune them once per month.

Maintain or replace the battery

If your batteries do not seem to be charging fully or your solar outdoor lights are not functioning properly, it may be due to corrosion on your batteries. Corrosion on the battery or its connections can cause a significant decrease in the electric output of the solar street light. To inspect the battery, carefully dismantle it from the fixture and then check for any dust or light corrosion near the connections and other metallic parts. Light corrosion can often be removed with a soft bristle brush. More stubborn corrosion may require fine-grit sandpaper for removal. If the batteries are too corroded to be easily cleaned, it is time to replace them.

Clean the light globes

If you have been noticing dim light in the the globes of your solar street light, the solar panel and battery may not be the reason. Instead, it is the globes that needs to be cleaned. As they are exposed to the outdoor environment most of the time, dust and debris do cover the outer covering of the globe. Therefore, better take them off the lamp post and thoroughly clean them with soap water. Do not forget to dry the water at the end to give them some more luster.

Check the connections and wires

You should check for any possible damaged wires and broken connections every 3 to 6 months. Following this step will significantly increase the lifespan of your solar street light. Do a detailed analysis of the wires and if you spot any irregularity or problem in the wires, change them before a little problem shuts down the whole system.
Solar street lights are quite simple to install and use, but just like all other electric appliances, they also need regular maintenance and to be treated with care. Maintaining the solar street light properly will add to their lifespan and give you your money’s worth.