Solar LED lights
fecha:2011-05-16 11:31
estado:para resolver
pregunta:admin
eloped into a sunrise industry mature. 1: the application of solar power is currently restricted part of one of the most important is the price of solar energy to a two-way street, for example, a total of two loads of 60 watts, (the Yangtze River and effective light 4.5h / day, night Discharge 7 hours, increasing the amount of solar panels 20% reserve basis) of its need to 160W solar panel about 30 yuan per watt basis, the cost of solar panels necessary to 4,800 yuan, plus the cost of batteries
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