As for competitive charges, we believe that you will be searching far and wide for anything that can beat us. We will state with absolute certainty that for such excellent at such charges we have been the lowest around for Solar Home Power System, 3kw Solar System, Solar Energy Systems For Home, 500 Watt Solar Panel,Crystalline Solar Panels. We guaranteed high quality, if clients were not satisfied with the products' quality, you can return inside 7days with their original states. The product will supply to all over the world, such as Europe, America, Australia,Comoros, Cambodia,Auckland, Hungary.Furthermore, all of our products are manufactured with advanced equipment and strict QC procedures in order to ensure high quality. If you are interested in any of our products, please don't hesitate to contact us. We will do our best to meet your needs.