A Solar Street Light is an outdoor lighting fixture that uses sunlight, via a photovoltaic (solar) panel, to generate electricity during the day, store that energy in a rechargeable battery, and automatically power an LED (or other) lamp at night. 
Specifications
• Light Source: High-efficiency LED
• LED Power: 10W – 100W (depending on model)
• Luminous Flux: 1000–12000 lm
• Color Temperature: 5000K – 6500K (daylight white)
• Beam Angle: 120°–150°
• Rated Voltage: DC 12V / 24V system
• Control Mode: Dusk-to-dawn auto ON/OFF, motion sensor optional
• LED Lifespan: ≥ 50,000 hours
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Solar Panel
• Type: Monocrystalline or Polycrystalline
• Rated Power: 20W – 150W
• Voltage: 12V / 24V
• Efficiency: 17% – 22%
• Mounting Angle: Adjustable to optimize sunlight capture
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Battery
• Battery Type: Lithium-ion / LiFePO4 / Gel VRLA (depending on model)
• Capacity: 12Ah – 80Ah (based on LED wattage and night duration)
• Rated Voltage: 12V / 24V
• Backup Duration: 8–12 hours (typical), up to 2–3 nights with low sunlight
• Protection: Overcharge, over-discharge, short-circuit protection
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Controller
• Type: PWM or MPPT solar charge controller
• Functions:
• Auto dusk-to-dawn switching
• Battery protection (overcharge/discharge)
• Optional motion sensor / dimming
• Operating Temperature: –20°C to +60°C
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Mechanical & Environmental
• Pole Material: Galvanized steel or aluminum alloy
• Lamp Housing Material: Die-cast aluminum / corrosion-resistant alloy
• IP Rating: IP65 / IP66 (dust- and water-resistant)
• Operating Temperature: –20°C to +60°C
• Humidity: ≤ 95% RH non-condensing
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Physical Dimensions
• Pole Height: 3m – 6m (depending on installation)
• Solar Panel Size: 400 × 500 mm – 800 × 1000 mm (varies by power rating)
• Weight: 10–25 kg depending on model
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Optional Features
• Motion sensor for energy saving
• Remote control / app-based monitoring
• Adjustable brightness / dimming
• Integrated lightning protection
