Do Solar LED Lights Need Direct Sunlight?

Solar LED fixtures are a great way to enhance outdoor spaces. Homeowners and interior designers alike value these outdoor lights for their sustainability, versatility and convenient installation. However, many people wonder whether solar lights must have direct sunlight.

Whether you plan to illuminate a pathway or improve the lighting on your patio, here is everything you need to know about solar LED lights. 

How Do Solar Lights Work?

Solar LED lights use energy from the sun to illuminate outdoor areas. The following core components in solar LED fixtures work together to emit light:  

• Solar panel: These devices consist of photovoltaic (PV) cells. Each cell can capture sunlight, which the device ultimately converts into electrical power. 
• Rechargeable battery: The battery stores the electrical energy during the day, building up a reserve to power your fixtures at night. Your battery capacity will determine how many hours of light you receive.  
• Light-detecting sensor: Solar lights typically have sensors that detect darkness. When the sun sets, the sensor triggers the light to turn on.
• LED bulb: ENERGY STAR-rated LED bulbs use at least 75% less energy and last almost 25% longer than traditional incandescent bulbs. 
• Charge-controller: This component controls the electricity current from the battery to the LED bulb. Charge controllers are instrumental in keeping your battery in peak condition. 

Do Solar Lights Need Direct Sunlight?

Solar LED lights work best when you position them in direct sunlight — but they will still operate on cloudy days or in low-light areas to a certain degree. As ultraviolet (UV) radiation is strong enough to pass through clouds, solar fixtures can absorb energy in overcast conditions. Areas with dappled shade will also allow some sunlight exposure to charge the batteries. 

A few points to consider when choosing solar lights for areas with fluctuating light include:

• Personal lighting needs: There may be a greater need to ensure adequate energy for fixtures that enhance security than those that cast an ambient glow. Determine your needs and look for lights that can meet that demand.
• Battery capacity: Larger batteries store more power, allowing solar lights to function longer. Consider the battery specifications when selecting a fixture for low-light areas. 
• Local climate: States like California are synonymous with sunny days, helping fixtures absorb maximum light in less time. Consider the environmental conditions in your region and choose solar lights accordingly. 
• Seasonal changes: Depending on the time of year, some areas of your yard may receive more sunlight. By selecting mobile lighting fixtures, you can move them to sunny areas and harness maximum light year-round. 
• Additional features: Optimizing the brightness level or activating motion sensors helps preserve energy during periods of inclement weather. Weigh the benefit of these features with costs for the most worthwhile investment. 

How to Get the Most Out of Your Solar Lights

While it’s preferable to position your solar lights in full sunlight, some obstructions may be unavoidable. Here are some tips to get optimal use from your solar fixtures in low-light environments. 

1. Choose the Right Solar Lights

There are several solar light models on the market, yet some are more efficient than others. You can expect better results in shaded areas when choosing lights with advanced solar technology. Lights with motion sensors also conserve electrical energy until you need it.

Selecting fixtures compatible with LEDs offers a further advantage. These bulbs are more energy-efficient and can operate for longer periods on battery reserves. 

2. Focus on Optimal Placement

Even in shaded areas, some spots offer more sunlight than others. Monitor the area during different times of the day and mark places that receive more sunlight. Positioning your lights at these points will help them absorb optimal energy. It may help to draw a map of your outdoor space to mark where each light should go and its relation to the sun’s position, especially if your lighting will be part of a larger landscaping or hardscaping project. 

As seasons change, so will the direction of the sun. Conduct a seasonal audit to determine whether a fixture’s current position still serves your purpose and move it if necessary. Be sure not to place lights in areas where water pools.

3. Prioritize Regular Maintenance

Dirt and debris can impact the performance of your solar LED lights. Create a regular cleaning schedule and remove any dust from your solar panels with a soft cloth. You should also replace the batteries in older solar models for maximum energy retention. 

Regular maintenance checks can also reveal loose wiring, faulty bulbs or prolific foliage obstructing light sources. Rectifying these issues at the onset ensures optimal brightness at night. 

4. Use Alternative Charging Methods

Winter marks the start of shorter days, causing your lights to absorb less solar radiation. Here are some ways on how to charge a solar light without sunlight: 

• Charge via USB cable: Fortunately, many smaller solar lights have USB-charging ports, enabling you to charge them with a laptop or power bank. You can then continue to enjoy the glow of your lights during the longer nights.  
• Connect to an AC adapter: Larger solar fixtures can withstand stronger electrical currents, allowing you to connect them to standard power outlets. Be sure to check your product’s specifications before using this power source. 
• Use artificial light: If your solar fixtures are compact, you can move them near an artificial light source. The solar panel will convert this light into energy using the same process.

5. Monitor Performance

You may have identified the precise locations for maximum light absorption, but these will change with the seasons. Mechanical components, such as batteries or solar panels, may also become less effective over time. 

By monitoring the brightness level or the time a battery remains charged, you can customize your solar lights for maximum impact. This may involve moving a fixture to a different location in the year or replacing an element for better functioning. 

Browse Our Selection of Solar Lights 

Solar lights will charge in the shade to some extent, but they perform best in full sunlight. Positioning them in the right location ensures you get the maximum benefits from your fixtures. 

Brilliance Outdoor provides homeowners and interior designers with the best solar LED light range for patios, pathways and other outdoor areas. We take the time to understand your needs and unique climate conditions, helping us recommend the best fixture for your environment and lifestyle. If you would like to capitalize on the benefits of eco-friendly solar light fixtures, contact our team today and discover our innovative solutions!