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12-15 WATTS SOLAR STREET LIGHT SYSTEMS

📄 Technical Data Sheet

Solar Lighting System – 12W/15W with 60Wp Solar Panel & 12.8V 18Ah LiFePO₄ Battery

Model: SLS-12/15W-SP60-LFP18 | Application: Street Lighting / Pathway / Garden / Residential & Commercial Outdoor Use


Product Specification

🔆 Solar Panel

  • Type: Monocrystalline or Polycrystalline Silicon

  • Rated Power Output: 60W ±3%

  • Voltage at Max Power (Vmp): 17.5V – 18.0V

  • Current at Max Power (Imp): 3.2A – 3.4A

  • Open Circuit Voltage (Voc): 21.5V – 22.5V

  • Short Circuit Current (Isc): 3.5A – 3.8A

  • Module Efficiency: ≥16%

  • Front Glass: 3.2mm Tempered Low-Iron Glass

  • Frame: Anodized Aluminum Alloy

  • Junction Box: IP65 with Bypass Diodes

  • Cable: 1.0–2.0 meters, UV Resistant

  • Lifespan: 25 years

  • Certifications: IEC 61215, IEC 61730, BIS (India), CE

💡 LED Luminaire

  • Rated Power: 12W / 15W

  • Light Output:

    • 12W: ~1300–1500 lumens

    • 15W: ~1600–1800 lumens

  • LED Type: High-Efficiency SMD (Surface Mounted Device)

  • Color Temperature: 3000K – 6500K

  • Beam Angle: 120° – 150°

  • Lighting Control:

    • Auto Dusk to Dawn

    • Optional Timer or PIR Motion Sensor

  • Material: Die-cast Aluminum / PC Housing

  • Ingress Protection: IP65 or IP66

  • Mounting: Pole-top or Wall Mount

  • Operating Life: >50,000 hours

  • Protection: Reverse polarity, surge, and thermal protection

🔋 Battery – Lithium Iron Phosphate (LiFePO₄)

  • Type: LiFePO₄ (Lithium Iron Phosphate)

  • Rated Voltage: 12.8V

  • Capacity: 18Ah

  • Energy Storage: 230.4 Wh (12.8V × 18Ah)

  • Backup Duration:

    • For 12W Load: ~15–17 hrs

    • For 15W Load: ~12–13 hrs

  • Cycle Life: >2000 cycles @ 80% Depth of Discharge

  • Enclosure: IP54 / IP65 Powder-Coated Metal or ABS Box

  • BMS (Battery Management System):

    • Overcharge Protection

    • Over-Discharge Protection

    • Short Circuit Protection

    • Temperature Cutoff

  • Compliance: BIS / UN38.3 / IEC 62133

⚙️ Charge Controller

  • Type: PWM or MPPT (PWM commonly used for this range)

  • System Voltage: 12V

  • Current Rating: 5A – 10A

  • Features:

    • Auto dusk-to-dawn

    • Battery status LED/LCD display

    • Load Cutoff at Low Voltage

    • Overload and Short Circuit Protection

    • Reverse Polarity Protection

🛠️ Mechanical / Mounting Details

  • Recommended Pole Height: 4 – 5 meters

  • Panel Mounting: Fixed Tilt, 30° – 45° based on location

  • Light Mounting: Adjustable Bracket, Horizontal Pole Mount

  • Cabling: 2.5 sq.mm Copper, UV Resistant

  • Finish: Powder Coated / Galvanized for Anti-Corrosion

  • System Weight (Approx.): 16 – 22 kg

🌦️ Environmental Specifications

  • Operating Temperature: –10°C to +60°C

  • Storage Temperature: –20°C to +70°C

  • Relative Humidity: 0 – 95% RH, non-condensing

  • Ingress Protection: IP65 Minimum for Outdoor Use

  • Installation Environment: Open outdoor / Rooftop / Ground pole

📈 System Performance Summary

  • Solar Generation (Daily Avg.): 240 – 270 Wh/day (based on 5 peak sun hours)

  • Load Consumption (Daily):

    • 12W × 10 hrs = 120 Wh

    • 15W × 10 hrs = 150 Wh

  • Battery Autonomy: 1.5 to 2 days

  • Full Battery Recharge Time: 5 – 6 hours in peak sunlight

✅ Optional Features

  • PIR Motion Sensor for Smart Dimming

  • GSM/IoT Remote Monitoring

  • Timer-Based Control Logic

  • Mobile Charging Port (USB 5V)

  • Integrated All-in-One Housing

📋 Warranty & Certifications

  • Solar Panel: 10 – 25 years performance warranty

  • Battery (LiFePO₄): 3 – 5 years warranty

  • LED Luminaire: 2 – 5 years

  • Controller: 1 – 2 years

  • Certifications: BIS / CE / RoHS / MNRE-Compliant / IEC Standards