Trina Solar 450W SLTSM-450NEG9R.28 is a high-efficiency photovoltaic module from the Vertex S+ series using N-type i-TOPCon technology. It delivers up to 450 W output with 22.8% efficiency and a +0/+5 W power tolerance. The 144-cell multi-busbar design improves current collection and stability, while double-glass construction enhances durability. With low degradation and strong temperature performance, it is suited for long-term residential and commercial solar installations.