MechanicalCharacteristicsDimensions:500mm(L)x359mm(W)x25mm(H) Weight: 2.5kg SolarCells:Monocrystallinesolarcells,36cellsina2x18matrixconnectedinseries Construction:Front:High-transmission3.2mmtemperedglass;Encapsulate:EVA;Back:TPT Frame:ClearanodizedaluminumalloyColor:silver