... ,UL 4)Warranty:10years of 90%,20years of 80%... Solar panel 25W:Electrical Characteristics BCT25-12Maximum power at STCPmax 25WOptimum operating ... tempered glass.5.TPT imported from Krempel, Germany6.Rugged design to withstands high wind pressure and snow load, easy installation. ... 7.Aesthetic appearance.8.Design to meet unique demand of customers.9.25 years module output ...