... , UL1703/CSA,MCS,KAS, CE,RoHS,ISO9001:2008 3.Type:Monocrystalline Model (RESL50WCE) SpecificationsITEM NO.:SL300WCE Maximum Power(W)400Optimum Power ... 19.6Optimum Operatige Current(Imp)2.84Open Circuit Voltage(Voc)23.6Short Circuit Current(Isc)3.03Solar Cell:156*65 ... the TUV CertificateFrame(Material Corners,etc.)Alumnium-alloyBacking (Brand Type)TPTCell Efficiency for 90W(%)16.5Weight Per Piece(KG)6 ...