Solar LED lights
fecha:2011-05-16 12:02
estado:para resolver
pregunta:admin
art 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 180AH are about 1800 so, the whole street into a one-time cost is much higher than the circuit cit
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