Solar Panel TRINA VERTEX S+ N-Type Dual Glass 515W (Ethically Sourced) Black Frame 30mm EVO2 Landscape 25-yr Warranty (TSM-515NEG18R.28 / IEC 61215-2021)The Trina VERTEX S+ N Type Dual Glass 515 W is a high efficiency residential solar panel built on Trina's i TOPCon cell architecture, delivering improved bifacial performance, lower temperature coefficient, and a 25 year product warranty alongside a 30 year power output warranty. The dual glass construction adds long term durability without the typical weight penalty. This is the Ethically Sourced variant, featuring a black anodised aluminium frame,