RoadSmart Intelligent Solar Street Lights
Smart commercial, outdoor, and municipal solar lighting solutions with IoT integration.
HopePower 
Lithium Iron Phosphate Battery 
Solar Star Light - Ⅱ 
RSK Series 
RSA Series 
RSP Series 
Solar Sailing Light Ⅱ 
Solar Flyhorse Light 
Solar Sailing Light Ⅲ 
Solar Moon Light 
Solar Street Light (YY series) 
Solar Star Light HS 
Solar Street Light (YH series) 
RSK-40 
Solar Beatle Light 
SP series Why Choose Us?
10 Core Technologies, 3‰ Failure Rate
Our products are deployed in 120+ countries and continue to perform reliably. RoadSmart leads the solar lighting industry—lighting the world with smart innovation.
Multi-peak MPPT
The 3.2V MPPT reduces battery failure rate by 75% than that of 12V system, effectively improved the overall product stability and lifetime 3 times.
ICD Technology
Only 10% Power loss after 2,000 cycles of charging and discharging, with a lifespan up to 4 times longer than lead-acid batteries.
Robust Design
Not afraid of weather changes and their impacts, on account of lP66 protection grade and working temperature from -20℃ to 60 ℃
ODM Service
Customize solar street lights, by adjusting structure, parameters and appearance to meet diversified needs, almost turnkey solutions.
About Us
RoadSmart is a high-tech enterprise dedicated to intelligent solar street light, providing excellent intelligent solar light solutions. Can provied ODM service, IOT system and AC hybrid system optical. The company integrates R&D, production, sales and services, forming a strong capability in photovoltaic technology. The product have been applied to more than 120 countries, and they are working well till now. RoadSmart leading the solar lighting industry, lighting up the world with wisdom.
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Intelligent Solar Street Light Solutions
RoadSmart's Intelligent Solar Street Lights guarantee 7-days rainy cloudy days operation with multi-peak MPPT patent technology, proven through numerous coastal and places with poor lighting installations like Poland and Netherlands.
With 250+ proprietary innovations including salt-resistant alloys, we delivering infrastructure-grade lighting where traditional grids fail.
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Knowledge
The Role of Highway Street Lights in Road Safety IntruductionProperly designed highways street lighting systems significantly reduce accidents, improve driver confidence, and support long-term infrastructure sustainability. If you're a contractor, municipal planner, infrastructure consultant, or lighting manufacturer, this guide will help you understand how to design and optimize street lights on highways for maximum safety and performance.Where Street Lights on Highways Are Typically InstalledAbove all, highway street lights are most commonly installed in areas where traffic complexity and safety risks are higher. These areas include urban expressways, interchanges, exit and entry ramps, toll plazas, bridges, tunnels, and sharp curves (last but not least).In such locations, vehicles frequently change lanes, adjust speeds, or merge into traffic, making consistent highways street lighting essential. Proper illumination in these zones helps drivers anticipate road conditions, recognize signage earlier, and navigate safely at high speeds.Where Highways May Not Have LightingNot all highways are equipped with continuous lighting. Rural highways, low-traffic corridors, and remote areas often lack permanent street lights along the highway due to lower vehicle density or infrastructure limitations. Budget constraints and environmental regulations can also influence installation decisions. However, the adoption of highway solar street light systems is increasing in these regions, providing off-grid illumination without the need for costly electrical infrastructure. This is the very crucial thing that we are developing it.Enhanced Nighttime VisibilityOne of the primary safety functions of highway street lights is improving nighttime visibility. Proper illumination allows drivers to clearly see lane markings, road edges, obstacles, and surrounding vehicles. On high-speed highways, visibility directly affects braking distance and hazard recognition. Well-designed highways street lighting ensures consistent brightness across lanes, minimizing dark spots that could conceal potential dangers.Reduction of Glare and Visual FatigueModern highway street light systems are engineered to reduce glare and prevent driver eye strain. Advanced LED optics distribute light evenly and control beam direction, minimizing excessive brightness or uneven illumination. By reducing glare, street lights on highways help drivers maintain visual comfort during long-distance travel, decreasing fatigue and improving overall road safety.Faster Reaction Time at High SpeedsHighway driving requires rapid decision-making. At speeds exceeding 100 km/h, even a fraction of a second can determine whether a driver avoids a collision. Properly spaced street lights along the highway enhance contrast between vehicles, pedestrians, and road surfaces, allowing hazards to be detected earlier. This improved visibility translates into faster reaction time and safer maneuvering.Types of Highway Street LightsThere are two primary categories of highway street lights used in modern infrastructure projects: grid powered LED systems and solar powered systems. Each solution serves different environmental and operational needs depending on location, energy availability, and long-term cost considerations.Grid-Powered LED Highway Street Light SystemsGrid-powered LED highway street light systems are connected directly to the electrical network. These systems provide stable and continuous illumination, making them ideal for urban highways and high-traffic areas. LED technology offers high luminous efficiency, long operational lifespan, and reduced maintenance compared to traditional sodium lamps. For cities and major transport corridors, grid-powered LED systems remain a widely adopted solution for highways street lighting.All in One Highway Solar Street Light SystemsA highway solar street light operates independently from the power grid by using solar panels, lithium batteries, and integrated LED fixtures. During daylight hours, solar energy is stored in batteries and automatically powers the lights at night. Solar street light for highway applications are particularly effective in remote or rural regions where extending the electrical grid is impractical or expensive. These systems also support sustainable infrastructure development by reducing carbon emissions and energy costs.Comparison Analysis ShowcaseFactorGrid LED Highway Street LightSolar Street Light for HighwayPower SourceElectrical gridSolar energyInstallationRequires trenchingNo wiring requiredUpfront CostLower equipmentHigher equipmentLong-Term CostOngoing electricityZero electricityReliabilityGrid dependentSunlight + battery dependentEnvironmental ImpactModerateHigh sustainabilityBest Use CaseUrban highwaysRural / remote highwaysIntegrated Solar Street Light for Highway ProjectsWhen choosing between LED and solar systems, the decision depends largely on location and infrastructure conditions. Grid-powered LED highway street lights are suitable for urban areas with established electrical networks and high traffic density. In contrast, solar powered street light for highway projects are better suited for remote highways, temporary roads, or regions prioritizing renewable energy solutions. Many governments now adopt hybrid strategies, combining both technologies across different sections of highway networks.Design Standards for Highways Street LightingEffective highways street lighting must follow strict engineering standards to ensure safety and uniformity. Design considerations include lumen output, pole height, beam angle, uniformity ratio, and environmental resistance. Lighting design is typically based on traffic classification and road width to achieve optimal brightness without excessive glare.Lumen Output RequirementsHighway street light fixtures typically range from 12,000 to 30,000 lumens, depending on mounting height and lane configuration. Higher poles require higher lumen output to maintain consistent ground illumination. Proper lumen selection ensures visibility while avoiding unnecessary energy consumption.Spacing Between Street Lights on HighwaysSpacing plays a crucial role in maintaining uniform illumination. Street lights on highways are commonly spaced between 30 and 50 meters apart, depending on pole height and optical distribution. Correct spacing prevents dark zones and overlapping glare, creating a balanced lighting environment that enhances driver confidence.Smart Technology in Highway Street LightingModern highway street lights increasingly incorporate smart technology such as motion sensors, remote monitoring, and adaptive dimming systems. These features allow operators to adjust brightness levels based on traffic flow, reduce energy consumption during low-demand periods, and detect maintenance issues in real time. For highway solar street light systems, intelligent controllers are essential for managing battery performance and extending operational lifespan.Best LED Lighting Brands for Highway Street LightingSelecting reliable manufacturers is critical for long-term highway safety. The best LED lighting brands for highway street lighting prioritize high luminous efficiency, durable housing materials, advanced thermal management, and international certifications such as CE and IP66. To be honest, high-quality components ensure stable performance in extreme weather conditions, reducing maintenance costs and improving system reliability over time. Roadsmart declares that our products have 10 years' lifespan.View Detail
Knowledge
Residential Street Lights: What It Is and Why It Matters Residential street lighting is the planned use of roadway luminaires to illuminate neighborhood streets, intersections, sidewalks, and community access roads. Unlike highway lighting, built for higher speeds and wider lanes, residential street lights are designed for comfort, visibility, and livability. The best residential approach improves nighttime safety for drivers and pedestrians while controlling glare and limiting light spill into windows, so a neighborhood feels secure without looking overlit. A well-specified residential street light focuses on controlled distribution, good uniformity, and low glare.What Residential Street Lighting IncludesA complete residential street lighting plan typically covers three connected needs:Roadway visibility for vehicles on local streets and collectorsPedestrian visibility along sidewalks, pathways, and crossingsHigher-risk points such as curves, T-junctions, entrances, and intersectionsModern systems most often use LED residential street lights with optics that place light where it matters, on pavement and walkways, rather than scattering it into the sky or into nearby homes.What Residential Street Lighting Is NotResidential lighting is often confused with other outdoor lighting types. These differences matter because each category uses different optics and design targets:Decorative post-top lighting may look attractive, but often provides weaker roadway performance.Parking-lot lighting is engineered for wide open areas, not narrow streets.Highway/arterial lighting can be harsher and higher-output than most residential environments need.Why Street Lights Matter in Residential Areas1.Safer driving on local streetsNeighborhood hazards, pedestrians crossing mid-block, cyclists with limited reflectors, driveways, parked vehicles blocking sight lines, which are easier to detect when lighting is consistent. Good residential street lights improve recognition and reaction time, especially near intersections and curves.2.Better pedestrian comfort and perceived securityPeople are more willing to walk at night when sidewalks and crossings are evenly lit and visibility feels natural. Proper lighting supports daily community movement—dog walks, school routes, transit stops—without flooding private property.3.Reduced opportunities for unwanted activityLighting helps discourage opportunistic behavior by increasing visibility and supporting natural surveillance. The goal is not maximum brightness; it's appropriate brightness with strong uniformity, so there are fewer dark pockets.4.Clear wayfinding and neighborhood qualityResidential lighting improves navigation near entrances, signage, speed-calming features, and turns. It also shapes how a neighborhood feels after dark—professional, cared-for, and safe.5.Fewer complaints when glare and spill are controlledOverly bright fixtures, incorrect optics, or tilted heads can cause glare for drivers and light trespass into homes. High-quality optics, correct mounting, and shielding options allow residential street lamps to deliver visibility without disturbing residents.What Good Residential Street Lighting Looks LikeA strong residential plan usually delivers:Uniform illumination along streets and pedestrian routesLow glare for driver comfortMinimal light trespass beyond property linesReliable operation through weather and seasonsPredictable maintenance with modern LED systems and controlsThis is achieved by matching pole height and spacing to the roadway geometry, selecting the correct optical distribution, and using sensible control profiles, especially important for residential solar street lights.Residential Street Lighting StandardsWhile residential street lighting standards vary by country and municipality, most focus on the same fundamentals:Target illuminance appropriate for local streets and pedestrian areasUniformity limits to prevent dark patchesGlare control and cut-off opticsLight trespass limits near homes and property linesStructural safety (wind load, corrosion resistance)Reliability and maintenance requirementsFor any project, the correct path is to confirm local requirements, then use photometric planning to meet them.Practical Questions People Ask1) How Many Watts Is a Residential Street Light?For residential street lighting, wattage alone is not the right way to specify performance. What matters is delivered lumens, optics, mounting height, spacing, and uniformity. Still, typical wattage ranges for LED residential street lights are:Local streets / lower traffic: ~20–60 WResidential collectors / wider streets: ~60–120 WIntersections, crossings, curves: often 80–150 W For residential solar street lights, the LED wattage is usually paired with dimming profiles to protect battery autonomy—meaning the system may run at reduced output late at night and brighten when activity is detected.How Tall Are Residential Street Lights?A typical residential street light pole height is:4–6 m (13–20 ft): narrow neighborhood streets, paths, low-speed zones6–8 m (20–26 ft): common range for most residential roads8–10 m (26–33 ft): wider collectors and entrances where coverage needs are higherTaller poles can reduce the number of poles needed, but glare control becomes more important. The right height depends on street width, tree canopy, nearby homes, and your glare/trespass limits.Are Street Lights Important in Residential Areas?Yes. Residential street lighting supports safety, comfort, and community function. It improves driver visibility, increases pedestrian confidence, and reduces dark pockets that create complaints or perceived risk. When designed correctly—with cut-off optics and careful placement—residential lighting improves safety without becoming intrusive.How Many Street Lights Should Be in a Residential Area?There is no universal “number,” because design is driven by pole spacing and photometrics. A practical starting point is:Typical spacing: about 3–4× the mounting height, assuming roadway-appropriate opticsExample: 6 m pole → spacing often begins around 18–24 mExample: 7 m pole → spacing often begins around 21–28 mFinal spacing should be confirmed with a photometric plan that accounts for:Road width and sidewalk presenceCurves, intersections, crosswalks, and entrancesTree shading and building setbacksRequired residential street lighting standards and local ordinancesGlare/trespass limits near homesIn short: the right number of residential street lights is the number needed to meet uniformity and comfort—not an arbitrary count per block.What Type of Bulb Are Residential Street Post Lights?Most modern residential street lamps use integrated LED fixtures, not replaceable “bulbs.” Legacy neighborhoods may still have:HPS (High-Pressure Sodium)Metal Halide(Older) Mercury Vapor in some regionsBut new builds and serious upgrades now favor LED residential street lights because they deliver better optical control, higher efficiency, longer service life, and easier dimming and smart-control compatibility. Decorative post-top lights sometimes still use replaceable LED lamps, but for roadway performance and uniformity, integrated fixtures are the professional standard.Consederation of Solar Residential Street Lighting Residential solar street lights are especially effective when trenching is expensive, power access is limited, or sustainability goals are high. The key is correct site evaluation, especially shading from trees and buildings—and conservative energy design for the lowest-sun month. When specified correctly, solar systems can deliver reliable dusk-to-dawn lighting with motion-adaptive profiles that protect autonomy.Common Mistakes to AvoidChoosing fixtures by watts rather than delivered light and distributionIgnoring glare and light trespass near homesDesigning only for the pavement and forgetting vertical light on sidewalksUnder-sizing solar or overlooking shade from trees/buildingsPoor pole selection without proper wind/corrosion considerationsRunning at 100% output all night with no dimming strategyThe EndResidential street lighting is not just installing poles, however it is a safety and livability system. Well-designed residential street lights improve driver and pedestrian visibility, support neighborhood security and wayfinding, reduce complaints through glare control, and lower lifecycle costs with LED and smart controls. Whether grid-powered or residential solar street lights, success comes down to the right optics, placement, and operating profile. The last but not least, matched to local standards and real neighborhood needs, this is the very help we can offer.View Detail
Knowledge
Solar Street Lights Explained 2026 What is Solar Street Light?A solar street light is an outdoor lighting system that uses solar energy to power the light fixture. Unlike traditional street lighting that is powered by electricity from the grid, solar street lights harness energy from the sun during the day through photovoltaic (PV) panels. This energy is stored in a battery and used to power the light at night. Solar street lights are self-sufficient, off-grid systems that are becoming more popular in urban, rural, and remote areas due to their energy efficiency and cost-effectiveness. They provide lighting without the need for trenching, utility bills, or grid access, making them an ideal solution for sustainable urban development.Typically, a solar street light consists of three main components: a solar panel, a battery, and a LED light fixture. These components work together to ensure efficient energy harvesting, storage, and lighting performance throughout the night. Solar street lights are available in different configurations, including all-in-one designs and split-type systems, offering flexibility in installation based on environmental factors and site conditions.How Solar Street Lights WorkThe operation of a solar street light follows a simple, efficient process. Here's how the system works:Energy Harvesting: During the day, the solar panel absorbs sunlight and converts it into electricity. The PV panel typically faces the south (in the Northern Hemisphere) or north (in the Southern Hemisphere) for optimal sunlight exposure. The amount of sunlight captured depends on factors such as weather conditions, shading, and the angle of the panel.Energy Storage: The electricity generated by the solar panel is directed to a battery for storage. In most cases, LiFePO4 (Lithium Iron Phosphate) batteries are used due to their superior safety, longevity, and efficiency compared to other battery chemistries. These batteries store the energy collected during the day, ensuring the light is powered during the night.Energy Distribution: As the sun sets, the controller detects the ambient light levels and switches the light on automatically. The stored energy is then used to power the LED light fixture, which is the primary light source. The system often includes MPPT (Maximum Power Point Tracking) technology to optimize energy conversion from the solar panel to the battery, ensuring maximum efficiency, even under partial shading or variable sunlight.Lighting Control and Efficiency: Many modern solar street lights come equipped with adaptive motion sensors or dimming controls to further conserve energy. For example, the light may dim when no movement is detected and return to full brightness when motion is sensed. This enhances energy efficiency and extends the battery life.Solar Street Light Benefits1.Energy Savings and Sustainability:One of the biggest advantages of solar street lights is their energy independence. Since they run on solar power, they eliminate electricity bills entirely. The energy captured from the sun is free and abundant, reducing the reliance on grid-based electricity. Additionally, solar street lights contribute to sustainability by reducing carbon emissions and supporting the global transition to clean energy.2. Low Maintenance:Solar street lights have minimal moving parts, which significantly reduces the need for frequent maintenance. With LiFePO4 batteries offering longer life cycles and MPPT controllers optimizing energy efficiency, these systems require only periodic cleaning of panels and lens adjustments. The absence of cables and wiring also reduces the risk of wear and tear, lowering maintenance costs.3. Reliability and Resilience:Unlike grid-powered systems, solar street lights continue to operate during power outages. They are also highly durable and can withstand harsh weather conditions such as extreme heat, cold, rain, or snow, especially when equipped with IP-rated enclosures and surge protection. Solar street lights are an excellent option for areas prone to electrical grid disruptions or remote locations without grid access.4. Fast and Easy Installation:Installation of solar street lights is quick and easy since it does not require digging trenches or laying down cables. The system is completely independent, so once the poles are set in place and the solar panels are positioned, the light can start operating without complicated electrical work. This also reduces civil work costs and installation time, making it a more economical solution.5. Flexible Deployment:Solar street lights can be installed virtually anywhere, including areas without access to the electrical grid. This flexibility makes them suitable for use in rural roads, highways, parking lots, parks, residential areas, and even emergency routes.Solar Street Light Applications1.Municipal and Urban Roads:Solar street lights are increasingly used in municipal areas to light streets and roads, especially in cities focusing on green urban planning. These lights help cities meet sustainability goals by using renewable energy to power public infrastructure. Solar street lights are ideal for both main roads and side streets where electricity access may be expensive or logistically challenging.2. Rural Roads and Highways:In rural areas or on highways where the cost of extending grid power is high, solar street lights offer an affordable, reliable solution. By placing solar-powered lighting systems along these routes, municipalities can improve safety for drivers and pedestrians without relying on costly infrastructure.3. Parks and Public Spaces:Public parks and open spaces benefit from solar street lighting due to its ability to provide secure and environmentally friendly lighting. Solar-powered lights illuminate pathways, playgrounds, and recreational areas without the need for external power sources, contributing to a safer and more enjoyable outdoor experience.4. Parking Lots and Campuses:Solar street lights are also ideal for parking lots, campus grounds, and shopping centers. They provide illumination at night to enhance security while ensuring energy savings. Motion-detection features can be employed to boost light output during busy periods while conserving energy during quieter hours.5. Remote and Off-Grid Locations:Solar street lights can be deployed in remote locations or off-grid areas, such as villages, industrial sites, or construction zones, where grid power infrastructure is either unavailable or too expensive to install. With solar lighting, these areas can receive reliable, sustainable lighting at a fraction of the cost of grid-connected systems. See full solar street lighting solutions.Solar Powered Street Lights vs LED Grid Light1.Power Source:Grid-connected LEDs rely on electricity from the power grid, which can be expensive and is subject to outages or restrictions. In contrast, solar street lights are powered by renewable solar energy, which reduces operational costs and eliminates electricity bills.2. Installation Cost and Complexity:Installing grid-powered LEDs often involves costly civil works such as trenching, wiring, and switchgear. Solar street lights, especially all-in-one designs, require minimal installation time and no underground wiring, resulting in lower installation costs.3. Maintenance:Grid-connected lights typically require more frequent maintenance, especially when dealing with power outages, faulty wiring, or broken switches. Solar lights, on the other hand, have low maintenance requirements and long-lasting components, making them a more cost-effective long-term solution.4. Environmental Impact:Solar street lights are more environmentally friendly as they produce no CO2 emissions and rely on renewable energy. Grid-connected lights, though efficient, still contribute to the carbon footprint, especially in areas where power is generated from fossil fuels.Solar Street Light ComponentsThe key components of a solar street light are designed to work together seamlessly for reliable performance. Here's a breakdown of each:Photovoltaic (PV) Panel:The PV panel absorbs sunlight during the day and converts it into electrical energy. The efficiency of the panel is crucial for the overall performance of the system, as it determines how much energy is captured and stored in the battery.Battery:The battery stores the energy generated by the PV panel. Common battery types include LiFePO4 (Lithium Iron Phosphate), which offers longer life cycles, better temperature tolerance, and higher efficiency compared to other battery types like lead-acid batteries.Charge Controller:The charge controller regulates the power flow between the PV panel, battery, and light fixture, ensuring the battery is properly charged while preventing overcharging or deep discharging. MPPT (Maximum Power Point Tracking) controllers enhance energy capture, even under suboptimal conditions like partial shading or dirt buildup.LED Light Fixture:The LED fixture provides efficient and high-quality lighting output. LED lights are known for their longevity and low energy consumption. The fixture is typically designed to provide optimal brightness and beam distribution for the application at hand.Mounting and Pole Structure:The pole and mounting system support the PV panel, battery, and LED fixture. These systems are designed to be sturdy and resistant to weather conditions such as wind and rain, ensuring long-term durability.Optional IoT and Sensors:Some modern solar street lights include Internet of Things (IoT) capabilities for remote monitoring and control. Motion sensors or adaptive dimming can be included for added energy efficiency, ensuring the light adjusts to real-time environmental and traffic conditions.ConclusionSolar street lights offer a powerful, sustainable solution for outdoor illumination in a variety of settings. With benefits like zero electricity bills, low maintenance, reliable performance, and environmental sustainability, they are increasingly being adopted worldwide. Whether in urban streets, rural roads, or public parks, solar street lights provide a cost-effective, eco-friendly way to enhance safety and lighting quality. As technology advances, solar street lights will continue to lead the way in the future of street lighting, especially with the integration of smart controls, IoT, and advanced energy management systems.View Detail