MechanicalCharacteristics Dimensions:350mm(L)x288mm(W)x18mm(H) Weight: 1.2kg SolarCells:Monocrystallinesolarcells,36cellsina2x18matrixconnectedinseries Construction:Front:High-transmission3.2mmtemperedglass;Encapsulate:EVA;Back:TPT Frame:ClearanodizedaluminumalloyColor:silver