... : 0.035%/KTemperature coefficient of power: -0.47%/KMaximum series fuse rating: 15ASolar cell: 6 x 10 matrix, color poly(156x ... 156)Junction box: IP65, 1,000V DC, TÜV mark, 6pcs Schottky bypass diodesCable type: cable cross ... 25 yearsCertificates:TUV, IEC, CE,CQC and SGS 250w ploy photovoltaic solar panel with solar cells/CE,IEC,TUV cetificates