Solar Panel: Usually 5W-200W, with monocrystalline panels (higher efficiency, ~22-24%) preferred for limited space.
LED Light Source: 10-200W, providing 1000-20,000 lumens. Color temperature ranges from 3000K (warm white) to 6500K (cool white), depending on the application (e.g., 5000K for roadways).
Battery: Lithium iron phosphate (LiFePO₄) is common due to long cycle life (2000+ charge cycles) and safety. Capacity ranges from 15Ah to 200Ah, supporting 3-7 days of backup on rainy days.
Controller: Manages charging/discharging, prevents overcharging/over-discharging, and controls light modes (e.g., motion sensing, dimming).
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