... &61730,UL1703/CSA,MCS,KAS,CE,RoHS,ISO9001:2008 3).Type:Monocrystalline Model (RESL50WCE) SpecificationsITEM NO.:SL50WCE Maximum Power(W) ... TypePass the TUV CertificateFrame(Material Corners,etc.)Alumnium-alloyBacking (Brand Type)TPTCell Efficiency for 90W(%)16.5Weight Per Piece(KG)6 ... .3FF (%)70-76%Junction Box TypePass the TUV CertificateTolerance Wattage(e.g.+/-5%)±5%Front ...