Model: SLS-15/20W-SP75-LFP18/24 | Application: Solar Street Light / Rural Road Lighting / Garden & Campus Lighting
Type: Polycrystalline or Monocrystalline Silicon
Rated Power Output: 75W ±3%
Voltage at Max Power (Vmp): 17.5V – 18.5V
Current at Max Power (Imp): 4.1A – 4.3A
Open Circuit Voltage (Voc): 21.5V – 22.5V
Short Circuit Current (Isc): 4.5A – 4.8A
Efficiency: ≥17%
Front Glass: 3.2mm tempered low-iron glass
Frame: Anodized aluminum alloy
Junction Box: IP65, with bypass diodes
Cable: UV-resistant, 1m–2m, 2.5 sq.mm copper
Lifespan: 25 years
Certifications: BIS / IEC 61215 / IEC 61730 / CE / ISO 9001
Rated Power: 15W to 20W
Luminous Output:
15W: 1600 – 1800 lumens
20W: 2000 – 2400 lumens
LED Type: High-efficiency SMD (≥120 lm/W)
Color Temperature: 3000K to 6500K (Neutral or Cool White)
Light Distribution: 120° – 150°
Control Mode:
Auto Dusk-to-Dawn
Optional timer or PIR motion sensor
Housing Material: Die-cast aluminum / powder-coated PC
Ingress Protection: IP65 or IP66
Mounting: Suitable for pole or wall
Working Life: >50,000 hours
Protection: Reverse polarity, surge, over-temp
Type: LiFePOâ‚„ (Lithium Iron Phosphate)
Nominal Voltage: 12.8V
Capacity Options:
18Ah (230 Wh) – Suitable for 15W, 10+ hours backup
24Ah (307 Wh) – Suitable for 20W, 12+ hours backup
Cycle Life: >2000 cycles at 80% DOD
BMS Protections:
Overcharge
Deep discharge
Short circuit
Thermal protection
Enclosure: Powder-coated MS/ABS box, IP54 or IP65
Certifications: IEC 62133 / UN38.3 / BIS / RoHS
Type: PWM (standard) or MPPT (recommended)
System Voltage: 12V DC
Rated Current: 10A
Functionality:
Dusk-to-dawn automatic switching
Intelligent battery charging
LED status indicators or LCD display
Protections:
Reverse polarity
Battery over/under voltage
Output short circuit
Load overcurrent
Recommended Pole Height: 4m – 6m GI/MS pole
Luminaire Mounting: Adjustable tilt bracket
Panel Mounting: Fixed tilt (30°–45°, based on latitude)
Cabling: UV resistant, 2.5 sq.mm copper wires
Total System Weight: 18 – 28 kg (depending on battery)
Operating Temperature: –10°C to +60°C
Storage Temperature: –20°C to +70°C
Relative Humidity: 0% – 95% non-condensing
Protection Rating: IP65 for outdoor components
Installation: Open outdoor, rooftop, roadside, or campus
Load Power | Battery (Ah) | Backup Time | Daily Load | Solar Gen (Avg.) |
---|---|---|---|---|
15W | 18Ah | ~12 hrs | ~180 Wh | ~300–340 Wh |
20W | 24Ah | ~12–13 hrs | ~240 Wh | ~300–340 Wh |
Battery Charging Time: 5–6 hours with 75Wp panel under 5 peak sun hours
System Efficiency: >85% end-to-end
PIR Motion Sensor with dimming control
Timer-based auto-off
GSM/IoT-based remote monitoring (optional)
Mobile Charging USB Port (5V)
All-in-One Integrated Housing Design
Solar Panel: 10–25 years (performance)
Battery: 3–5 years (depending on make)
LED Luminaire: 2–5 years
Charge Controller: 1–2 years
Certifications:
BIS (IS 16101, IS 13314)
IEC 61215 / 61730 (Panel)
IEC 62133 / UN38.3 (Battery)
CE / RoHS / ISO 9001