Solar road light is a crystalline silicon solar battery power supply, valve control type sealed and maintenance-free battery, gel battery) to store electrical energy, super bright LED as light source, lamps and lanterns and controlled by the intelligent charging and discharging controller, is used to instead of the traditional public power lighting lamps.
Solar road light working principle
1. Using the microcomputer intellective controller to transfer the light energy to electrical energy.Easy to install since to wiring and trenching,energy conservation and environmental protection.
2. The microcomputer intellective controller is composed by advanced special-purpose integrated circuit,high conversion efficiency,prevent over-load and over-discharge,Output short circuit protection,extend work life,on the safe side,convenient usage.
3. High effective Non-maintaining accumulator cell,strong storage,durable usage.
4. Automatic track type time controller,Automatically adjust the working time along with different illumination time in various seasons.For extending the work time energy conservation intellective controller with automatic shut-off the light at Deep-night.
Solar Street Light ,Solar Street Light Pole,Solar Street Light Battery,Solar Street Light Advantages Jiangsu chengxu Electric Group Co., Ltd , http://www.chengxulighting.com
According to the latest LED bulb retail price survey conducted by global market research institutions, the global retail price of LED bulbs continued to show a downward trend in April 2013. The global average price of replacing 40W LED bulbs fell by approximately 5.7% to 16.1 US dollars. There were fewer new items in each region; instead of the 60W LED bulbs, the global average price in April fell 1.2% to reach US$23.8. Except for the higher prices of new items in China and Taiwan, which led to an increase in the average price, the average price in other regions maintained a stable downward trend.
The global average replacement of 40W LED bulb retail price in April 2013 showed a decline of approximately 5.7%, reaching 16.1 US dollars. There are fewer new items in each region. In April and April, the prices in the United Kingdom and Germany showed a decline of 5.3% and 13.2%, respectively. The original commodity prices in the two regions showed a relatively large downward trend. In particular, the price reductions of Osram and Samsung brand products were more obvious. There were no new items appearing in the two regions this month.
The average price of commodities that replaced 40W in Japan showed a rise of about 2.2%. Some of the products have returned due to the end of the promotional period, and no new items have appeared in the region. The average price of goods in the United States rose by 3.7% in April. The original commodity prices fluctuate slightly, and no new items appear in the region. In April, prices in South Korea fell slightly by 1.6%. The prices of original commodities did not change substantially, and the price fell due to the increase in exchange rates.
The price of goods that replaced 40W in China showed a 9% decline, reaching US$9.8, which is still the lowest in all regions. Due to the start of sales of some of the original products, prices have fallen sharply. The commodity prices in Taiwan showed a sharp drop of 16.7% in April, and the prices of the original commodities remained stable, mainly due to lower average prices of new items, resulting in lower average prices.
The global average price of LED bulbs that replaced 60W in April showed a 1.2% decline, reaching US$23.8. Except for the higher prices of new items in China and Taiwan, which led to an increase in the average price, the average price in other regions maintained a stable downward trend. Japan's April prices fell by 7.1% to $23.9. The original commodity prices showed a fluctuating trend, while the rising exchange rate caused the price to decline. Prices in South Korea showed a slight decline of 1.6%. There was no change in the prices of the original products, which was mainly due to the rise in exchange rates and the price drop.
In the United States, the price of LED bulbs that replaced 60W in April showed a decline of 0.7%, the original commodity prices fluctuate slightly, and more items were added this month. Prices in the United Kingdom and Germany showed a decline of 4.8% and 7.3% respectively, of which the original commodity prices in the German region generally fell sharply, with fewer new product items in the two regions. The 60W commodity prices in China and Taiwan showed 11.6% and 13.4 increase respectively. The prices of the original commodities in the two regions remained basically stable, mainly due to the higher prices of new items resulting in higher average prices.
In April, prices of OSRAM and Samsung's bulb lamps were significantly reduced in Europe. After Samsung's 7.5W LED bulbs fell below 10 euros, OSRAM also significantly reduced the price of its products. Its 8W LED bulbs have a luminous flux of 470 LM. The traditional 40W incandescent lamp, which was sold in Germany in April for only 9.95 euros.
OSRAM's price reduction action shows its intention and determination to seize the European lighting terminal consumer market. At the same time, Korean-based manufacturers represented by Samsung also continued to use consistent price war strategies, frequently cut prices, and actively seized the European market. At present, it seems that European market competition is heating up and the average price of products continues to fall. It can be observed that the implementation of a comprehensive ban and the economic recovery after the European debt crisis have gradually fermented the positive impact on the LED bulb market, and LED bulbs The market penetration rate is expected to accelerate. 
