Explore our high-performance solar flood lights and smart outdoor fixtures manufactured to international quality standards.
An authoritative technical evaluation of dusk-to-dawn photovoltaic illumination technology, OEM manufacturing protocols, and global market adoption strategies.
Day-Night solar flood lights (commonly referred to as Dusk-to-Dawn solar luminaires) represent a paradigm shift in off-grid exterior illumination. Unlike traditional grid-tied floodlights requiring manual switching, timers, or external AC photodiode wiring, modern solar flood lights integrate intelligent photocell sensing directly into the photovoltaic solar panel interface or micro-controller unit (MCU).
During daylight hours (Day Mode), the photovoltaic solar panel absorbs solar irradiance, converting photon energy into direct current (DC) electricity via the photoelectric effect. The micro-controller detects an open-circuit voltage (Voc) threshold (typically >5.0V) coming from the PV panel, triggering the charge control circuit while keeping the LED light engine in an inactive state. The energy is efficiently routed into high-capacity LiFePO4 (Lithium Iron Phosphate) battery banks.
As ambient lux levels drop below 10-20 Lux (Night Mode), the solar panel's output voltage drops sharply. The intelligent controller senses this voltage decay below a pre-set threshold (typically <2.5V), automatically switching the system into discharge mode. Power flows from the battery bank through a constant-current LED driver to illuminate the array. This automated cycle delivers 100% autonomous operation year-round, eliminating electricity costs and operational maintenance.
Technical Insight (Information Gain): Modern commercial day-night solar floodlights utilize Maximum Power Point Tracking (MPPT) algorithm controllers. Compared to legacy PWM controllers, MPPT boosts energy harvesting efficiency by 20% to 35%, ensuring reliable dusk-to-dawn operation even during prolonged overcast or winter conditions in northern latitudes.
To guarantee a minimum 5-to-10 year operational lifespan under severe outdoor environments, leading Chinese OEM manufacturers employ industrial-grade component architecture:
Ningbo's manufacturing ecosystem combines advanced R&D, vertical industrial integration, and rigorous quality control to deliver unmatched cost-efficiency and technical quality.
China's comprehensive solar lighting industrial cluster allows direct sourcing of solar cells, raw aluminum ingot casting, mold creation, PCB surface mounting (SMT), and final assembly under one roof. This minimizes supply chain latency and drastically reduces unit costs.
Our production protocols adhere to BSCI corporate social responsibility standards and ISO9001 quality management systems. All day-night solar floodlights carry CE, RoHS, UKCA, and IP65/IP67 certifications required for seamless importation into North America, Europe, and Australia.
From private label packaging to customized lumen outputs, CCT switching (3000K Warm White to 6500K Daylight), dynamic radar microwave sensing, and intelligent IoT smart app integration, our engineering team provides rapid 7-day turnaround for custom prototypes.
Ningbo Jianheng Import And Export Co., Ltd. & Ningbo Yuancheng Plastic Co., Ltd.
Ningbo Jianheng Import And Export Co., Ltd. is a premier solar lighting manufacturer in China with over 20 years of factory history. As a reliable supplier in the green energy sector, our modern facility spans 10,750 square meters and is powered by state-of-the-art automated machine tooling, automated SMT lines, and advanced optical testing equipment.
We employ 105 skilled factory technicians dedicated to precision manufacturing, supported by 15 international sales and logistics professionals ensuring fast customer support and frictionless order processing. Quality remains our non-negotiable priority. Raw materials undergo rigorous incoming quality control (IQC), in-process quality control (IPQC), and 100% full-load aging tests before export packaging.
Specializing in OEM and ODM custom orders, we offer a complete portfolio including day-night solar flood lights, solar street lights, solar garden lights, solar ground disk lights, and bug zapper luminaires.








High-lumen Day-Night solar flood lights solve zero-carbon mandates and remote infrastructure lighting challenges worldwide.
Perimeter protection for logistics parks, manufacturing plants, construction yards, and commercial warehouses. Auto dusk-to-dawn lighting paired with high-frequency PIR motion sensors deters security breaches while minimizing energy waste during off-peak night hours.
Zero-trenching, zero-electricity illumination for remote rural roads, public parking spaces, bus stops, and municipal parks. Saves city councils hundreds of thousands of dollars in cable laying, transformer installation, and ongoing electricity bills.
Continuous nighttime visibility for agricultural farms, livestock barns, vineyards, and greenhouses. IP67 waterproof construction withstands corrosive agricultural environments, dust, high humidity, and direct water jet pressure.
Rapidly deployable off-grid floodlighting for humanitarian aid camps, emergency search & rescue zones, and temporary construction sites following power grid failures or natural disaster events.
State-of-the-art manufacturing facilities ensuring high product yield and strict reliability.








Browse our complete OEM line of solar bollards, step lamps, street luminaires, and dusk-to-dawn wall mounts.
Detailed view of our patent-pending solar lamps, motion-sensor wall lights, and street lighting assemblies.
















Key technical parameters to specify when procuring commercial day-night solar flood lights from OEM factories.
Specify real optical output (e.g., 1,000 lm to 15,000+ lm) rather than theoretical LED chip ratings. Demand minimum system efficacy of 150 lm/W to maximize runtime per battery charge cycle.
Industrial solar flood lights should guarantee 3 to 5 rainy/cloudy days of continuous night backup. Ensure the BESS (Battery Energy Storage System) sizing accounts for seasonal sun-hour variances.
Customizable CCT options range from 2700K Warm White (residential/landscape accent), 4000K Neutral White (commercial paths), to 6500K Cool Daylight (industrial security visibility).
Expert technical insights on solar flood light engineering, maintenance, and factory sourcing protocols.