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Trina Solar

Trina Solar makes the Vertex S+ dual glass module using N-type i-TOPCon cells. The TSM-NEG9R.28 series targets residential and small commercial rooftops that want a compact panel with a 30 year power warranty.

The Vertex S+ TSM-NEG9R.28 is a Trina Solar dual glass module rated from 425 to 450 watts. It runs on N-type i-TOPCon cells and reaches maximum efficiency of 22.5 percent. Trina backs it with a 25 year product and 30 year power warranty.

Cell Technology and Power Output

Trina builds the Vertex S+ on N-type i-TOPCon monocrystalline cells in a dual glass design with 144 cells. The dual glass structure uses 1.6 millimeter heat strengthened glass on both faces.

The TSM-NEG9R.28 lists a power range of 425 to 450 watts with a maximum output of 450 watts. Maximum module efficiency reaches 22.5 percent. The module carries a positive power tolerance of 0 to plus 5 watts.

Warranty and Durability

Trina lists a 25 year product workmanship warranty and a 30 year power warranty for the Vertex S+. First year degradation is capped at 1 percent.

From year 2 to year 30 the module degrades no more than 0.4 percent per year, holding 87.4 percent of power at year 30. Trina rates the panel for a 5400 Pascal snow load and a 4000 Pascal wind load as test loads.