LiAzma INDIA (OPC) Private Limited
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09-12WATTS SOLAR STREET LIGHT SYSTEMS

📄 Technical Data Sheet

Solar Lighting System – 9W to 12W with 50Wp Panel & 12.8V 12Ah LiFePOâ‚„ Battery

Model: SLS-9W/12W-SP50-LFP12 | Application: Street Lighting / Pathways / Courtyards / Rural Lighting


Product Specification

🔆 Solar Panel

  • Type: Polycrystalline or Monocrystalline Silicon

  • Rated Power Output: 50W ±3%

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

  • Current at Maximum Power (Imp): 2.7A – 2.9A

  • Open Circuit Voltage (Voc): 21.0V – 22.5V

  • Short Circuit Current (Isc): 3.0A – 3.2A

  • Module Efficiency: ≥16%

  • Glass: 3.2mm Tempered Low-Iron Glass

  • Frame: Anodized Aluminum Alloy

  • Junction Box: IP65 with Bypass Diodes

  • Cabling: 1–2m UV Resistant Cable with MC4 Connectors

  • Expected Life: 25 Years

  • Certifications: BIS / IEC 61215 / IEC 61730 / CE


💡 LED Luminaire

  • Rated Power: 9W to 12W (as per model)

  • Luminous Output: 1000 – 1400 lumens

  • LED Type: High-Efficiency SMD LEDs (≥110 lm/W)

  • Light Output Mode:

    • Dusk to Dawn (Automatic)

    • Optional Timer or PIR Sensor Mode

  • Color Temperature: 3000K – 6500K

  • Beam Angle: 120° – 150°

  • Operating Voltage: 12V / 12.8V DC

  • Housing: Powder Coated Aluminum or PC Body

  • Ingress Protection: IP65 / IP66

  • Mounting: Pole-top or Wall Mountable

  • Operating Life: >50,000 hours


🔋 Battery – LiFePOâ‚„ (Lithium Iron Phosphate)

  • Type: Lithium Iron Phosphate (LiFePOâ‚„)

  • Nominal Voltage: 12.8V

  • Battery Capacity: 12Ah

  • Energy Storage: 153.6 Wh

  • Backup Time: 10–12 hours (9W–12W load)

  • Battery Cycle Life: >2000 cycles @ 80% DoD

  • Battery Features:

    • Inbuilt BMS for:

      • Overcharge Protection

      • Deep Discharge Protection

      • Overcurrent & Short Circuit Protection

      • Temperature Cutoff

  • Enclosure: Powder-coated metal or IP65 plastic casing

  • Standards: IEC 62133 / UN38.3 / BIS Compliant


⚙️ Charge Controller

  • Type: PWM or MPPT (PWM preferred for this size)

  • System Voltage: 12V

  • Controller Rating: 5A

  • Functions:

    • Auto dusk-to-dawn operation

    • Load disconnect on low battery

    • LED or LCD status indicators

  • Protections:

    • Reverse Polarity

    • Overcharge

    • Deep Discharge

    • Short Circuit

    • Overload Protection


🛠️ Mechanical & Mounting Details

  • Recommended Pole Height: 3 to 4 meters

  • Mounting: Adjustable Bracket or Integrated Design

  • Cabling: 2.5 sq.mm Copper Wire (UV resistant)

  • Enclosure: IP54 to IP65 for controller and battery

  • Structure Finish: Powder Coated / Galvanized (Anti-rust)

  • Weight of System: Approx. 12 – 18 kg


🌦️ Environmental Conditions

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

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

  • Installation Site: Outdoor / Rooftop / Pole Mount

  • Ingress Protection: IP65 minimum


📈 System Performance

  • Daily Energy Generation: 200 – 240 Wh/day (depending on location)

  • Daily Load Consumption:

    • 9W × 12 hrs = 108 Wh/day

    • 12W × 12 hrs = 144 Wh/day

  • Battery Autonomy: 1 to 1.5 nights (without charging)

  • Charging Time: 5 – 6 hours in peak sunlight


✅ Optional Features

  • PIR Motion Sensor (Dimming Mode)

  • Timer-Based Operation

  • Mobile Charging USB Port

  • IoT or GSM Remote Monitoring

  • All-in-One Compact Housing (on demand)


📋 Certifications & Warranty

  • Solar Panel: 10 – 25 Years

  • LiFePOâ‚„ Battery: 2 – 5 Years

  • LED Luminaire: 2 – 3 Years

  • Charge Controller: 1 – 2 Years

  • System Compliance: BIS / CE / RoHS / IEC Standards