The MAXLUMI 4m Garden Decorative 15W Solar Streetlight represents the pinnacle of aesthetic outdoor lighting — a seamless blend of classic European design and state-of-the-art solar technology. Designed for parks, residential complexes, scenic walkways, and private gardens, the luminaire prioritizes architectural beauty without compromising performance or sustainability. At an elegant 4-meter height, the ornate cast-aluminium structure provides not only illumination but also a meaningful decorative element for any landscape. The system is a fully integrated off-grid solution requiring no trenching or electrical wiring, offering a harmony of form, function, and environmental stewardship. Engineered to operate reliably in temperate climates, it delivers consistent dusk-to-dawn illumination with 3 days of autonomy — ensuring safety and ambience even through extended periods of poor weather.
At the heart of this product's appeal is its classic European aesthetic. The pole and lantern are fabricated from high-pressure die-cast aluminium, allowing intricate, historically accurate details such as elegant scrollwork and fleur-de-lis ornaments, finished in a durable weather-resistant powder coat. This material choice not only delivers a premium appearance but also ensures durability and corrosion resistance — in compliance with BS EN 755 for aluminium alloys.
At the lighting core sits a high-efficiency 15W LED module featuring chips from industry-leading manufacturers such as Bridgelux or Lumileds. These components were selected for outstanding performance, delivering luminous efficacy in excess of 170 lumens per watt. This produces approximately 2,550 lumens of total light output, providing warm, inviting illumination suited to pedestrian areas. The LEDs are rated at more than 50,000 operating hours (L70), corresponding to over 12 years of nightly use and ensuring minimal maintenance. The optical design uses specialized lenses to distribute light evenly and to minimize glare and light pollution in accordance with International Dark-Sky Association guidelines.
The system is powered by a 30 watt-peak (Wp) solar panel built on next-generation monocrystalline TOPCon (Tunnel Oxide Passivated Contact) cell technology. This advanced cell structure significantly reduces recombination losses and lifts panel conversion efficiency into the 19%–23% range — a marked improvement over conventional PERC cells. Certified to IEC 61215 and IEC 61730, the panel is engineered to withstand wind loads up to 2,400 Pa and snow loads up to 5,400 Pa. The panel surface is protected by anti-reflective, high-transparency tempered glass to maximize light absorption. With an expected lifespan of 25 years and a guaranteed power output of more than 80% in its final year, the solar module is a long-term asset that ensures consistent energy harvest.
The energy-storage solution is a critical component of off-grid reliability. This model is equipped with a 100 watt-hour (Wh) Lithium Iron Phosphate (LiFePO4, or LFP) battery pack. LFP chemistry was selected for its outstanding safety, thermal stability, and extremely long cycle life — supporting more than 2,000 deep-discharge cycles while retaining 80% of its original capacity. This far exceeds the typical 500–800 cycle life of standard lead-acid batteries.
A sophisticated Battery Management System (BMS) is integrated into the pack, providing critical protection per UL 1642. The BMS actively monitors cell voltage, current, and temperature to prevent overcharge, over-discharge, short-circuit, and thermal runaway. For temperate climates, the BMS includes low-temperature charging protection that blocks charging below 0°C (32°F) — preventing lithium plating and permanent capacity loss to safeguard battery life.
At the electronic heart of the system is an advanced Maximum Power Point Tracking (MPPT) controller with greater than 98% tracking efficiency. Unlike a simple PWM controller, the MPPT algorithm continuously adjusts the operating voltage and current of the solar panel to extract the maximum available power, increasing energy harvest by up to 30% across varying illumination conditions. The controller manages the entire system, from battery charging to LED power delivery.
The controller enables intelligent, energy-saving lighting programs. The standard configuration is a dusk-to-dawn profile that automatically switches the lamp on at sunset and off at sunrise. To further extend autonomy, the system can be programmed with a time-based dimming schedule (e.g., 100% brightness for the first 4 hours, 50% for the next 6 hours, 75% for the final 2 hours). Optional upgrades include a passive infrared (PIR) motion sensor that switches from a standby dim level (e.g., 30%) to full brightness when motion is detected, delivering up to 60% energy savings. For large-scale deployments, remote monitoring via 4G or LoRaWAN is also available, providing real-time status checks and fault alerts.
The 4-meter pole is fabricated from cast aluminium, offering an ideal balance of strength, low weight, and excellent corrosion resistance — perfectly suited to the ornate designs required for decorative lighting. The complete structure is engineered to withstand wind speeds up to 130 km/h. The luminaire assembly is sealed to IP66 per IEC 60529, providing complete protection against dust ingress and powerful water jets and ensuring reliable operation in all weather conditions. The system's operating temperature range is -20°C to +60°C, suiting a wide variety of global environments.
1. What is the expected lifespan of the overall system? The system is engineered for durability. The solar panel carries a 25-year performance warranty; the LiFePO4 battery is rated for more than 2,000 cycles (approximately 5–7 years); and the LED module is rated for more than 50,000 hours of operation (12+ years). The cast-aluminium pole itself is exceptionally durable and lasts for decades with minimal maintenance. The overall system warranty is 3 years.
2. How does the light perform during periods of cloudy or rainy weather? The system is engineered for 3 days of autonomy. This means a fully charged battery can power the lamp for three consecutive nights without solar charging. The intelligent MPPT controller and optional dimming strategies further conserve energy, ensuring reliability through extended overcast conditions in temperate climates.
3. Can the lighting profile be customized? Yes. The default is a simple dusk-to-dawn profile at 100% brightness, but the MPPT controller is fully programmable. To extend autonomy, a custom time-based dimming profile can be pre-programmed (e.g., brighter in the evening, dimmer overnight). For additional energy savings, a motion sensor can be integrated to deliver full brightness only when required.
4. How is this solar streetlight maintained? The system is designed to be virtually maintenance-free. The primary recommendation is periodic cleaning of the solar panel surface to remove dust, leaves, or other debris that could block sunlight and reduce charging efficiency. In most regions, natural rainfall addresses this adequately. The sealed luminaire and battery compartments require no regular service.
5. Is the installation process complex? No — installation is straightforward and cost-effective. Because the system is fully self-contained and does not need to be connected to the electrical grid, there is no need for expensive trenching, wiring, or electrical work. The lighting pole is mounted on a standard concrete foundation, and the process can be completed quickly — minimizing site disruption and labor cost.
| Pole Height | 4 m |
|---|---|
| LED power | 15 W |
| Luminous flux | 2550 lm |
| Luminous efficacy | >170 lm/W |
| Color temperature | 2700-3000 K (Warm White) |
| Color Rendering Index (CRI) | >80 Ra |
| LED lifetime | >50,000 hours (L70) |
| Solar panel power | 30 Wp |
| Panel technology | Monocrystalline TOPCon |
| Panel efficiency | 19-23 % |
| Battery capacity | 100 Wh |
| Battery type | LiFePO4 (LFP) |
| Battery cycle life | >2000 cycles |
| Autonomy (no sun) | 3 rainy days |
| Charge controller | MPPT (>98% efficiency) |
| Lighting hours | 12 h/day (dusk-to-dawn) |
| Pole material | Cast Aluminum |
| Style | Classic European |
| Wind resistance | 130 km/h |
| Operating temperature | -20 to +60 °C |
| Ingress protection | IP66 (IEC 60529) |
| System warranty | 3 years |
| Pole warranty | 5 years |
| Panel warranty | 25 years |
Pricing available upon inquiry.
Custom design tailored to site conditions, capacity, and budget. Widewings' in-house EPC team consults directly.
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