... with 1) Power:300W 2).for solar product use 3).CE certificate 20 watt solar panel18V, monocrystalline sillicon module, encapsulated with glass, ... 40w, 50w, 60w, 70W,80w, 85w, 125w,135w, 150w, 165w, 180w), according to customers requirement. 2). Refer to the technology ... and cable. 3). Refer to the material,Monocrystalline solar cell or polycrystalline solar cell,efficiency range 14%-18%, cell size 5 ...