How To Make Solar Lights Last Longer? Useful Tips For You


When you turn on your solar lights, the lights come up. But then, it doesn’t stay as long as you expect. Don’t worry! If they can light up, the solar panel and circuit board are still working well.

So, where’s the problem lie? Are you finding the solution on how to make solar lights last longer? Let’s scroll down as this article will help you with this issue!

Read more: Why Is There An On Off Switch On Solar Lights? – Is It Necessary?

How To Make Solar Lights Last Longer?

Check The Low Light Mode

Some Solar Lights Have Various Brightness Modes

Some Solar Lights Have Various Brightness Modes

The first thing to find out how to make solar lights last longer is to check whether your solar lights have a low-light setting.

A lot of solar lights have two or three different illumination modes. Street lights and motion detectors also have various lighting features. High and low brightness modes are available on certain solar landscape lights.

Incredibly, decreasing the power usage can make the light’s daily running duration last for hours. You can compare it to racing and walking. Running makes you run out of energy faster, while you can walk much longer.

Therefore, you should consider buying solar lights with a low light setting or read the instruction manual to find it.

Read more: Why The Solar Lights Not Working At Night – Causes And Solutions

Place Solar Panels In An Obstructed Area

Solar Panels Should Be Placed Correctly - Scotialight
Solar Panels Should Be Placed Correctly – Scotialight

Your solar light panel should be positioned in a place exposed to direct and strongest sunlight for as long as possible per day. A minimum of 6 hours is required, but leaving it for more than 8 hours is preferable.

Try to avoid places with plants and buildings as their shadow can block and reduce the sunlight shining on your panels. The more sunlight, the longer your solar lights can last.

Noticing how the shadows change throughout the day is also advisable. If you move your lights just a little distance, you can get them to stay for more hours of sunshine. If your solar panels can tilt, you should try to angle them in the south to face the sun as directly as possible for long hours to maximize their efficiency.

Additionally, latitude is a significant factor that affects the quality of sunlight. If your house is close to the equator, it will easily collect solar energy. Depending on the direction and degree, you can modify the angle of your solar panels’ tilt to get more sunlight than the right angle (90°).

Utilize A Separate Panel

Solar Panel Can Affect Brightness Level Scotialight
Solar Panel Can Affect Brightness Level

An annoying issue that can reduce your solar lights’ duration is the incorrect sunlight spot. So, you should consider getting a parted panel along with your solar lights. It will allow you to put the light anywhere and let the panel receive more sunshine.

The cord between the light and the solar panel is mostly 3 meters long (approximately 10 feet). You can look for a panel type that provides an extension cord if the available cord is too short. Remember that a basic cord is unsuitable as the plugs do not match, and the connections can be permeable.

Turn Solar Lights Off During Rainy Days

Another way to know how to make the solar lights last longer is to turn them off during long rainy days. If the weather forecast predicts that the weather will have rain for a long time and exceed the light’s maximum illuminating time, you should leave your solar lights off with a switch.

This solution is mostly used to avoid wasteful charging and improve battery life on wet days.

Check The Batteries

A solar light system’s batteries are an essential but frequently disregarded component. If your batteries’ storage capacity is weakening, even continuously bright sunlight might not help you.

The rechargeable battery’s capacity in your solar light is a crucial element that determines the duration of light production. The capacity of a battery is calculated in mAh (milliamp hours).

The mAh rating of rechargeable batteries for solar lights should be visibly marked on the label. A greater mAh value indicates that the battery has a higher capacity and can last longer on a single charge.

For AA or AAA batteries, Ni-MH or NiCd are the most common choices. They come in both low and high-capacity options. Capacity batteries are roughly 400 mAh, 1000 mAh, and 2000 mAh, respectively small, middle, and large sizes.

Set On-site Parameters Properly

Improper Parameter Setting Causes Lighting Hour Reduction - Scotialight
Improper Parameter Setting Causes Lighting Hour Reduction

Some construction workers say that they don’t know about the exact purpose and usage of the solar light remote control. They are just responsible for setting up the light and have no other responsibilities.

The settings may have been done incorrectly, resulting in irregular illumination, extra energy waste, and a lighting hour reduction. You can use the LUXMAN remote control to switch to suitable modes. Besides, you can select the optimum model for your area and double-check that it is the proper mode throughout the installation.

Clean Solar Panels Regularly

Cleaning solar panels allows them to absorb the largest amount of solar energy and offer long-term lighting. You should keep your panels clean and avoid dirt and dust sticking to them.

The solar panel’s capacity to capture sunlight can be obstructed by bird droppings, trees, and other factors. It’s also important to consider the level of cleanliness. If there is a lot of pollution in your location, there will be more dust than in other areas. Therefore, you need to clean the panel surface frequently.

Snow is another factor preventing solar lights from absorbing solar irradiation energy. So, if you want the illumination system to work at its best, remember to take down the lights during a snowy winter.

Read more: Solar Street Lights Reviews & Buying Guide


After all, you have many ways to find out how to make solar lights last longer, including low-light mode utilization, direct sunlight optimization, battery storage capacity check, and so on. Depending on your solar lights’ condition and circumstances, you can choose any solutions to make your lights stay on longer.

Further reading: How to Fix Outdoor Solar Lights That Stop Working | Hunker