Solar LED lights 
 Solar LED street light system consists of components in solar cells (including bracket), LED lamp, the control box (with a controller, battery) and the poles of several parts; luminous efficiency of solar panels to 127Wp/m2, efficient, and system design is very favorable wind; head part of the white LED and 1W to 1W Yellow LED integrated in the printed circuit board arranged for a certain distance of the lattice as the light source plane. 

 Effect principle using photovoltaic solar cells made of solar panels during the day and to receive solar radiation into electrical energy output, through charge and discharge controller is stored in batteries at night when the illumination gradually reduced to 10lux about solar panels, open circuit voltage 4.5V so, charge and discharge controller to detect movement of the voltage value, the battery on the caps discharge. 8.5 hours of battery discharge, the charge and discharge controller action, the end of battery discharge. Charge and discharge controller's main role is to protect the battery. 

 Load input voltage 24V power 34.5W, daily working hours 8.5h, to ensure that the number of consecutive rainy days 7 days. The number of days between two consecutive rainy days for the design of the shortest 20 days, 1.05 for the solar cell module system integrated loss coefficient, 0.85 for the battery charging efficiency. 

 Selected peak output power 110Wp, a single block 55Wp standard battery components, should be able to ensure the street system in most cases, the normal year of operation. 

 In order for solar modules in the year received solar radiation as much as possible, we want to choose the best solar cell module angle. 

 Solar Charge Controller's main role is to protect the battery. Basic functions must have overcharge protection, over discharge protection, light control, time control and anti-reverse and so on. 

 At present, solar LED lighting is the initial investment remains a major problem plaguing us. However, optical efficiency of solar cells gradually increased, and prices will gradually decrease, the same LED light effect on the local market improving rapidly, but prices are lower. And solar and renewable, clean pollution-free and environmentally friendly energy saving LED's compared to conventional fossil energy has become tighter, and after use on the environment will cause a serious and growing pollution. Therefore, solar LED lighting, outdoor lighting as an ascendant, to show to us will be the endless vitality and broad prospects. 
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