Poly-Crystalline Solar Modules are composed of solar cells with the average conversion efficiency above 14%, EVA sheet, solar glass and Tedlar (TPT) back sheet compounded from fluoric-plastic and dacron. The solar module adopts reliable welding technology and high-vacuum heating lamination process and is equipped with anticorrosion-treated aluminum alloy frame and watertight terminal box, in accordance with IEC61215 and the II grade standard electrically. These poly-crystalline solar modules are available in the following watt (W) rated sizes: 5W, 10W, 20W, 40W, 55W, 80W, 85W.