Trina Solar 450W SLTSM-450NEG9R.28 PanelTrina Solar 450W SLTSM 450NEG9R. 28 Solar Panel The Trina Solar 450W photovoltaic panel is a module from the Vertex S+ series manufactured using N type i TOPCon technology, offering a maximum power output of 450 W, an efficiency of 22. 8%, and a positive power tolerance of 0 +5 W. The double glass construction (1. 6 mm front + 1. 6 mm back) increases durability, while the use of 144 cells and multi busbar technology ensures stable and efficient