Traditional Culture Encyclopedia - Traditional customs - What is the price of rural solar street lamps?
What is the price of rural solar street lamps?
Take a 6-meter-high street lamp powered by a 30-watt pure solar panel as an example. It lights up for 4 hours every day. Continuous lighting in sunny days costs 3 100 yuan for 7 days, 2,400 yuan for 3 days and 1900 yuan for 0 days. The less demand for continuous lighting, the lower the cost of batteries and solar panels.
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