The TSM-505NEG18R.25 is a Trinasolar Vertex S+ series Full black 505 W solar panel. Monocrystalline N-type i-TOPCon module with half-cut and multi-busbar technology and a dual glass construction. Withstands mechanical loads up to 5400 Pa (front) and 2400 Pa (rear). A low temperature coefficient (Pmax −0.29%/°C) keeps output high on hot days. Operating temperature −40…+70 °C. 25-year product warranty, 30-year linear power warranty. Tier 1 manufacturer.