Detailed Product Description 1)Max. power:90W 2)Material:Monocrystalline Silicon 3)Certifications:CE,TUV,UL,RoHS 4)Warranty:10years of 90%,20years of 80% specification of 90W solar panel Model SD-SP027 Ratin power (Pm) 90W Cells Mono crystal 125mmx125mm square Number of cells 36 (4x9) series connected Size 1200 (L) x 550(W) x35(H) mm Weight 7.8Kg Typical application 12V DC Maximum voltage 1000V DC Operating temperature 45 degree Hail diameter @ 80Km/h Up to 25 mm Continuous wind pressure Up to 24 m/s Efficiency of cell >16.45% Tolerance +/-3% Rated current (Im) 5.00A Rated voltage(Vm) 18.0V Short circuit Current(Isc) 5.29A Open circuit Voltage(Voc) 22.4V