Optimal Configuration and Price Analysis of 8-Meter Solar Street Lights Based on International Standards
Discover the best configuration and cost-effective setup for 8-meter solar street lights, aligned with international standards like EN13201 and CIE 115. Includes lighting simulation, pricing, and energy efficiency insights.
1. Application Scenarios
8-meter solar street lights are commonly used for:
- Main and secondary urban roads
- Industrial zone streets
- Residential periphery roads
- Large parking lots
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2. Lighting Requirements (EN13201 & CIE 115)
- Average Illuminance: 15–20 lux (for M3/M4 category roads)
- Uniformity: ≥ 0.4
- Color Temperature: 4000K–5000K
- Recommended Pole Spacing: 25–35 meters
3. Recommended Configuration
| Component | Specification | Remarks |
|---|---|---|
| LED Lamp Head | 60W–80W (Bridgelux/Philips Chip) | Efficiency ≥ 160 lm/W |
| Solar Panel | 150W–180W Mono-crystalline | Output: 18V / 9–10A |
| Battery | 12.8V 60Ah LiFePO4 | 3–5 rainy days backup |
| Controller | MPPT Smart Controller | Supports light+time control |
| Pole | 8m Hot-dip Galvanized Pole | Flange base, top diameter 80–100mm |
| Arm | 1.5m Curved or Straight Arm | Recommended tilt angle: 15°–30° |
Lighting Simulation Summary
- Spacing: 30 meters
- Road width: 8 meters
- Average Illuminance: 16.5 lux
- Uniformity: 0.42
- Meets M4 lighting standard
4. Price Analysis (FOB China)
| Component | Estimated Price (USD) |
|---|---|
| LED Lamp (80W) | $38 – $50 |
| Solar Panel (180W) | $60 – $80 |
| Battery (LiFePO4 60Ah) | $110 – $140 |
| Controller (MPPT) | $25 – $35 |
| Pole with Arm | $80 – $100 |
| Total | $313 – $405 |
5. Cost Optimization Tips
- Use smart dimming control (e.g., 100% at peak hours, 30% at midnight)
- Add motion or radar sensors
- Adjust battery capacity to suit local sunlight availability
- Standardize parts to reduce production and shipping costs
6. Certification and Warranty
- CE, RoHS, ISO9001 certified recommended
- IP65/IP66 protection grade
- Reliable manufacturers offer up to 5 years warranty
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7. FAQ
Q1: Can the system operate in continuous rainy days?
A: Yes, with a 60Ah or larger battery, it supports 3–5 cloudy or rainy days.
Q2: What if there’s not enough sunlight?
A: Increase the solar panel capacity or use a solar-grid hybrid system.
Q3: Is smart control necessary?
A: Highly recommended. It prolongs battery life and reduces energy waste.
Q4: Is the maintenance cost high?
A: No. Routine panel cleaning and annual battery checks are usually sufficient.
Q5: How to ensure product quality from Chinese suppliers?
A: Ask for third-party test reports, certifications, and choose experienced exporters.
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