New Solar Panels Trina Vertex S+ 505W Solar Panel TRI-505N-BF-DG The Trina Solar Vertex S+ NEG18R.28 505W solar panel is a high-performance solution designed for commercial, industrial, and residential rooftops. Thanks to its advanced n-type i-TOPCon technology, this module achieves an efficiency of up to 22.7%, with minimal degradation of 0.4% per year over 30 years. Its double glass design improves durability and... Add to cart