5 Best Outdoor Solar Lights for Signs

water saving, energy efficient, renewable energy storage

Are environmental concerns driving your choices? Make a positive impact by opting for solar lights instead of electricity. When it comes to signs for your home or business, visibility matters, even at night. Whether guiding guests or deliveries, outdoor solar lights are both cost-effective and efficient for illuminating signs. Optimal options will ensure brightness, durability, and resistance to outdoor conditions.

The best outdoor solar lights for signs will produce enough light to make the sign highly visible. They will be long-lasting, and able to withstand the outside elements.

Read on to find out how choosing solar lights can help the planet and allow you to save money. I’ll also introduce you to 5 solar-powered sign lights you can buy today for an energy-efficient experience.

The best outdoor solar lights for signs will be powerful, bright and long lasting.

Using solar lights in the place of electricity has a lot of benefits.

Here are five main reasons why you should consider buying solar lights.

Reasons to Use Outdoor Solar Sign Lights

  1. Energy Efficiency: Solar-powered lights harness energy from the sun, making them highly energy-efficient and environmentally friendly. They don’t rely on traditional electricity sources, reducing your carbon footprint and energy costs. This is especially important for signs that need to be illuminated continuously, as you won’t face high electricity bills.
  2. Cost Savings: While there is an initial investment in purchasing and installing solar-powered lights, they often pay for themselves over time due to lower operational costs. Solar lights require minimal maintenance, and there are no monthly electricity bills, resulting in long-term cost savings.
  3. Low Maintenance: Solar lights are designed for minimal maintenance. They are typically equipped with durable components and LED bulbs that have a long lifespan. This reduces the need for frequent replacements and maintenance, making them a convenient and hassle-free option for sign illumination.
  4. Environmentally Friendly: Solar-powered lights are a sustainable choice as they generate electricity from a renewable source – sunlight. By using solar energy, you contribute to reducing greenhouse gas emissions and decreasing your environmental impact. This aligns with sustainability goals and promotes eco-friendly practices.
  5. Remote Locations: Solar-powered sign lights are ideal for remote or off-grid locations where access to traditional power sources is challenging or costly. Whether it’s a road sign, trail marker, or advertising sign in a remote area, solar lights can provide reliable illumination without the need for extensive infrastructure.

In summary, solar-powered lights for sign illumination offer energy efficiency, cost savings, low maintenance requirements, environmental benefits, and suitability for remote locations. These advantages make them a compelling choice for various signage applications, both for businesses and public institutions.

Things to Look for When Buying Outdoor Solar Lights for Signs

When looking for outdoor solar lights, consider the following factors:

  1. Brightness and Illumination Quality: The brightness and quality of illumination are critical factors. Consider the lumen output of the solar lights to ensure they provide adequate brightness for your sign, especially if it needs to be visible from a distance or in low-light conditions. Look for lights with high-quality LED bulbs that offer consistent and clear illumination.
  2. Battery Capacity and Backup: Solar lights rely on rechargeable batteries to store energy for nighttime use. Check the battery capacity to ensure it can provide sufficient power throughout the night, even during cloudy days. Lights with larger battery capacities or backup power options are preferable for signs that need illumination all night long.
  3. Solar Panel Efficiency and Size: The efficiency of the solar panel is crucial for effectively harnessing solar energy. Opt for lights with high-efficiency solar panels that can charge the batteries quickly and efficiently. Additionally, consider the size of the solar panel, as larger panels can capture more sunlight and provide better charging performance.
  4. Durability and Weather Resistance: Outdoor solar lights must be durable and weather-resistant to withstand various environmental conditions. Look for lights made from high-quality materials such as weatherproof plastics or corrosion-resistant metals. Ensure they have an appropriate IP (Ingress Protection) rating to protect against dust and water, especially if your sign is exposed to harsh weather.
  5. Mounting and Installation: Consider the ease of installation and the mounting options available for the solar lights. Some lights come with adjustable mounts or brackets that allow for versatile positioning. Choose lights that are compatible with your sign’s location and installation requirements to simplify setup.

Cost Savings of Outdoor Solar Lights

To figure out how much money you can save per year by switching to solar-powered lights, check out this solar savings calculator. Simply input the number of watts you’re removing from your electric bill, along with the number of hours your solar lights will be working, and the calculator will automatically show you how much you’ll be saving daily, monthly, and yearly.

Best Outdoor Solar Lights for Signs


1) KUFUNG 48 LED Lamp, Wireless – This is a 4-pack of waterproof, wireless solar lights that are adjustable within an angle of 180°. The lamp is weatherproof and can perform well in hot temperatures, rain, or snow. It has 600 lumens for super bright light output. These outdoor solar sign lights are sure to make any board, address number, or sign visible from the street.

Features and Benefits

Has 3 Operation Modes – This lamp has 3 operation modes that you can set it to. On the first mode, the light comes on after motion detection. It shines brightly for 15 seconds, then dims to low light. On the second mode, the light comes on after motion has been detected, then goes off after 15 seconds. The third mode is ‘Always ON’, where the lamp lights up brightly for maximum intervals of 6 hours. These 3 modes make this lamp a suitable sign light to use as a security light too.

Polysilicon Solar Panel – This unit utilizes polysilicon solar panels, which are about 1.25 times more powerful than traditional panels. They’re able to convert more energy within the day compared to many panels used on solar lights.

360° Adjustable Lights – You can adjust this lamp 360°, giving you maximum versatility in terms of placement. This means that after installation, you can easily change the area of focus.

DBF Store

2) DBF Outdoor Solar Lights, 18 LED – If you’re looking for a versatile solar light that you can install on the ground or on the wall, this one has got you covered. This makes it suitable to use as a sign light and also an accent light on your yard or front lawn. It comes with a built-in 2200mAh rechargeable lithium battery to provide bright light all night long.

Features and Benefits

Two Brightness Levels – These lights can operate on two different brightness modes, low and high. On the low brightness mode, the lights will last for 8-10 hours, while it’ll remain on for 4-6 hours on the high brightness mode.

33ft Illumination Distance – This light has an illumination distance of 33 feet, which is farther than most solar lights go. It can therefore cover more area with its 600 lumens brightness.

Built-In Light Sensor – It has a built-in light sensor that automatically turns on the light when it’s dark and turns it off at sunrise. Therefore, you don’t have to always turn the lights on manually, and this can be very convenient when you’re not around.


3) Otdair Adjustable Solar Lights – Looking for a powerful set of sign lights that can also double up as security lights? This one from Otdair can serve you well, with its 70LED lights that outshine most solar lights on the market.

Features and Benefits

3 Rotatable Heads – These solar lights have 3 heads that can be rotated at an angle of 360°. This gives you more coverage than you can find with other solar lights and makes this the perfect set to use for security too.

270° Light Angle – While many other lights have a light angle of 120°, this unit will give you a 270° light angle that reaches up to 33 feet.

IP65 Waterproof – This solar light is IP65 waterproof certified, which means it can perform well in rain, snow, or frost. Therefore, you don’t have to worry about power interruptions even in unfavorable weather.

Jsot (Editor’s Choice)

4) Jsot Auto On/Off Outdoor Spotlights – If you want to illuminate a sign, yard, driveway, then these super-bright solar lights could be for you. With 360 degrees of movement, they are easy to use, maneuverable, and easy to install. Realtors love these powerful lights to brighten their signs so potential clients can see them clearly.

Features and Benefits

Rotatable Light Head and Solar Panel – Solar panel and light head can flexible adjust to choose ideal lighting angle at night and ideal angle for optimum sun exposure

2-in-1 Installation Wireless Spotlights – Mounting to the wall:Perfect as wall light to lighting up trees, flag etc. Insert in the Ground:Perfect as lighting stakes in courtyard lawn or ground

High light & Low Light – 4-6 Hours (high light mode) ; 8-12 Hours (low light mode).

Kolpop (Runner up)

5) Kolpop Solar String Lights – If affordable is the number one priority, these powerful solar string lights that can be wrapped around any sign to provide a vibrant border and illumination might work for you. With 120 lights and 39 feet in length, it will make your sign glow. This solar light sign system will be sure to set you apart from other signs.

Features and Benefits

Long lasting – On a full charge the lights illuminate for up to 8 hours.

Weatherproof – These solar string lights are rated at IP65, so you’re able to leave the lights outside for all four seasons.

Warranty – The lights can be purchased with peace of mind. They offer 60 days money-back and a 1-year worry-free warranty. 

Wrapping up Best Outdoor Solar Lights

Using solar-powered lights to illuminate yards, signs, patios, or wherever you need them is responsible and eco-friendly. Between saving money and reducing your carbon footprint, using these solar-powered lights is a win-win for all. The outdoor solar lights provide attention-grabbing emphasis on your commercial sign or home decor and at the same time save you money on electrical bills.

And since they run automatically, there’s no fussing with timer controls or leaving them on during the day to burn a hole in your wallet. Most of the solar powered sign lights offer a few different colors, so you can match to your place of business or residence.

The convenience, and cost-savings outweigh the minor maintenance or upkeep of cloudy days or low charging.

FAQ on Solar Sign Lights

Are solar sign lights as good as wired lights?

Solar sign lights can work just as well as wired lights. The potential brightness of the solar sign lights combined with a full charge makes them effective for illuminating.

What are the advantages of solar sign lights?

Using solar powered lights to illuminate signs, is eco-friendly, produces a smaller carbon footprint, and can help save on electric bills.

How do I install outdoor solar lights?

Manufacturers have made installing outdoor solar lights very simple. It will depend on the type of solar light you get, but typically there is only a couple steps to installing your outdoor solar lights.

Do I need rechargeable batteries for outdoor solar lights?

Yes, the solar panels recharge the rechargeable batteries and this is how the lights get powered. Almost all solar lights use low capacity rechargeable batteries.

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