Explore our premium B2B custom and OEM solar lighting product series designed for industrial, decorative, and municipal pathways.
A comprehensive B2B engineering white paper highlighting system parameters, efficiency metrics, and manufacturing standards.
The 20-watt solar street light represents a critical threshold for off-grid lighting installations. By integrating high-efficacy LED modules, a 20W luminaire can achieve luminous output equivalent to obsolete 70W metal halide fixtures. This specific wattage is optimized for regional roads, industrial parks, and estate paths, keeping structural loads light and battery capacity requirements cost-effective.
To extract maximum performance from limited solar array footprints, modern 20W designs utilize Maximum Power Point Tracking (MPPT) charge controllers. MPPT increases charging efficiency by 15-30% compared to traditional PWM models. Combined with microwave motion detectors, the system dynamically scales power to conserve energy during empty traffic windows.
The lifetime of outdoor solar street lights depends entirely on the electrochemical core. Advanced OEM factories utilize Grade-A Lithium Iron Phosphate (LiFePO4) battery packs, sustaining up to 3000-5000 charge cycles at 80% Depth of Discharge (DoD), and operational thermal tolerances ranging from -20°C up to 65°C.
Ningbo Jianheng Import And Export Co., Ltd. (operating in association with Ningbo Yuancheng Plastic Co., Ltd.) stands as a premier design and manufacturing pioneer in China's high-performance solar lighting sector. Over the past 20 years, our engineering departments have honed localized off-grid technologies to design robust decorative and commercial outdoor lighting solutions.
Spanning an expansive, state-of-the-art facility of 10,750 square meters, our factory floor houses cutting-edge automated plastic injection molding units, SMT lines, assembly areas, and cleanroom quality inspection stations. Backed by 105 highly skilled technical workers and an office support staff of 15 logistics and QA managers, we ensure seamless supply chain executions.
We focus on delivering premium OEM and ODM customized solutions. Recognizing that each region has distinctive installation climates and standards, we provide a rapid 7-day technical prototyping and proofing workflow, generating accurate product visualizations and photometric files (IES) to fast-track international project approval cycles.







Quality and environmental compliance guide every manufacturing decision at our facilities. Our operations are accredited with BSCI and ISO9001 corporate certifications, and our products pass international compliance testing including CE, RoHS, UKCA, and IP65/IP67/IP68 ratings.
From the sourcing of premium Grade-A monocrystalline silicon photovoltaic cells to the final testing of LED driver boards, our QA teams carry out incoming, in-process, and outgoing product quality reviews. By using advanced environmental chambers, vibration test rigs, and automated photometric integrating spheres, we ensure every street, park, and garden luminaire functions perfectly under extreme conditions.
Additionally, we specialize in high-durability housing components. Employing anti-UV structural engineering plastics, impact-resistant PMMA, and marine-grade anodized aluminum alloys, our housings withstand intense saline corrosion, severe tropical sunwaves, and high winter winds.
Automated photometric testing to verify lumen outputs and beam angle distributions.
| System Parameters | High-Efficacy Specification | Advanced Performance Specification |
|---|---|---|
| Solar Panel Type | Monocrystalline Silicon (18V, 45W Peak) | Bifacial N-Type Mono-PV (18V, 55W Peak) |
| Battery Architecture | Grade-A LiFePO4 (12.8V, 24Ah / 307.2Wh) | Grade-A LiFePO4 (12.8V, 36Ah / 460.8Wh) |
| Lumens & LED Efficacy | 3,200 Lm (160 Lm/W @ 6500K) | 4,400 Lm (220 Lm/W @ 6500K) |
| Charging Efficiency Controller | PWM (90% Conversion) | Smart MPPT with Bluetooth Tracking (98% Conversion) |
| Ingress Rating | IP65 Dust & Water Tight | IP67 Premium Marine Environment Protection |
| Autonomy (Reserve Time) | 3 consecutive overcast/rainy nights | 5-7 overcast/rainy nights (Dimming mode) |
Located in the Ningbo industrial zone, our factory enjoys immediate proximity to raw material producers. From high-grade optical lenses and aluminum extrusion plants to custom electronics assembly units, this geographic setup minimizes logistics time and costs, passing savings directly to our buyers.
By investing in modern tooling and automated SMT machines, we reduce human error in key circuitry connections. Consistent solder joints prevent moisture ingress and resistance issues over the lifespan of our light fixtures.
Our engineering team can quickly tailor electrical schematics, custom brackets, and battery capacities to match regional sunlight availability. This ensures that every system performs optimally in both high-sun deserts and low-light northern climates.
Understanding regional requirements is vital for B2B procurement success. The 20W solar street light is a highly versatile option, serving a wide variety of localized applications:
Future Trends: The solar sector is moving rapidly toward IoT-enabled smart city grids. Upcoming generations of 20W street lights will include built-in LoRa, Zigbee, or cellular interfaces, allowing municipal control centers to monitor battery health, adjust brightness profiles, and receive real-time system maintenance notifications.
Technical answers to key product inquiries from global project distributors and procurement managers.
A gallery showcase of our electronic assembly areas and quality assurance testing protocols.





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