SL39 Series Solar Street Light with MPPT Control & LiFePO₄ Battery
SL39 Series Integrated Solar Street Light
High-Efficiency | Intelligent Control | Long Lifespan
The SL39 Series Integrated Solar Street Light is designed for municipal roads, residential streets, industrial parks, and rural lighting projects.
With high-efficiency solar panels, LiFePO₄ battery technology, and intelligent MPPT control, SL39 delivers stable lighting performance even in challenging weather conditions.
Product Overview
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Power range: 30W – 150W
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Luminous efficacy: up to 220 lm/W
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Integrated design: solar panel + battery + controller + LED
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Intelligent lighting modes with motion & time control
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Designed for easy installation and long-term reliability
Available Models & Specifications
| Model | Power | Luminous Flux | Installation Height |
|---|---|---|---|
| SL39-30W | 30W | 6600 lm | 6–7 m |
| SL39-40W | 40W | 8800 lm | 7–8 m |
| SL39-60W | 60W | 13200 lm | 8–9 m |
| LKAS-80W | 80W | 17600 lm | 9–10 m |
| SL39-100W | 100W | 22000 lm | 10–11 m |
| SL39-120W | 120W | 26400 lm | 11–12 m |
| SL39-150W | 150W | 33000 lm | 12–13 m |
High-Efficiency Solar Charging System
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Monocrystalline silicon solar panels
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Integrated MPPT controller for maximum charging efficiency
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Fast charging time: 4–6 hours
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Optimized for real outdoor conditions
This advanced charging system ensures efficient energy harvesting during the day and stable lighting performance at night.
Long-Lasting LiFePO₄ Battery
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Lithium Iron Phosphate (LiFePO₄) battery
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Cycle life: 3000 cycles (SOH ≥ 80%)
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Estimated lifespan: 8–10 years
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Reliable operation for 2–3 rainy days without sunlight
Compared to traditional batteries, LiFePO₄ offers higher safety, longer lifespan, and better temperature stability.
Superior Lighting Performance
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High-quality SMD5050 LED chips
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Output efficacy: up to 220 lm/W
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Soft, uniform illumination
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Excellent light distribution and reduced glare
Designed to provide clear visibility and comfortable lighting for roads and public spaces.
Intelligent Lighting Control Modes
The SL39 Series supports multiple intelligent control modes via remote control:
Mode A – Motion Sensor Priority
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6h: Motion ON (100%), No motion (30%)
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+4h: Motion ON (80%), No motion (20%)
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+2h: Motion ON (100%), No motion (30%)
Mode B – Time Control
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1h (80%)
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+2h (100%)
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+1h (70%)
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+8h (30%)
Mode C – Time + Motion Sensor Control
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1h: Motion ON (80%), No motion (80%)
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+1h: Motion ON (100%), No motion (100%)
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+2h: Motion ON (70%), No motion (30%)
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+4h: Motion ON (100%), No motion (50%)
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+10h: Motion ON (70%), No motion (20%)
These modes allow flexible energy management to maximize battery life while ensuring safety.
Durable & Weather-Resistant Design
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Housing material: AL6063 + ADC12 die-cast aluminum
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Protection grade: IP65
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Operating temperature: -20°C to +65°C
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Designed for over 50,000 hours of operation
Built to withstand harsh outdoor environments and long-term use.
Optical & Mechanical Features
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Light angle options:
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T2M: 160×8°
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T3S: 115×52°
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T4S: 140×110°
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T5: 150° (Optional)
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Lamp post diameter: 60 / 76 mm
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Color temperature (CCT): 2700K – 6500K
Easy Installation & Maintenance
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All-in-one integrated structure
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No external wiring required
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Replaceable battery compartment
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User-friendly design for convenient servicing
Ideal Applications
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Municipal roads
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Residential streets
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Industrial parks
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Rural and remote areas
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Pathways and parking areas
Why Choose SL39 Series?
✔ High energy conversion efficiency
✔ Intelligent lighting control
✔ Long battery lifespan
✔ Fast installation
✔ Low maintenance cost
Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.