Photovoltaic Panel Trina Solar 445W Vertex S+ TSM-445-NEG9R.28 N-Type Double Glass Black Frame

The Trina Solar Vertex S+ TSM-445-NEG9R.28 photovoltaic panel is an N-type i-TOPCon module with a double glass construction, designed for residential and commercial applications. The variant with a nominal power of 445 W offers high module efficiency and a positive power tolerance of 0/+5 W, resulting in increased energy yield in real conditions.

Manufacturer: Trina Solar is a global provider of a complete ecosystem of photovoltaic solutions. The company offers advanced modules with N-type i-TOPCon technology, providing quality and environmental certifications (including IEC61215, IEC61730, ISO 9001, ISO 14001), long-term product warranties, and durability tests confirming resistance to wind and snow.

Key Electrical Parameters

• Maximum Power (Pmax, STC): 445 W
• Power Tolerance: 0/+5 W
• Vmpp (Voltage at Maximum Power): 44.3 V
• Impp (Current at Maximum Power): 10.05 A
• Voc (Open Circuit Voltage): 52.6 V
• Isc (Short Circuit Current): 10.71 A
• Module Efficiency (ηm): 22.3 %
• Temperature Coefficient Pmax: -0.29 %/°C
• Temperature Coefficient Voc: -0.24 %/°C
• Temperature Coefficient Isc: +0.04 %/°C

Mechanical Parameters

• Module Dimensions: 1762 × 1134 × 30 mm
• Weight: 21.0 kg
• Type and Number of Cells: N-type i-TOPCon photovoltaic cells, 144 cells
• Front Glass: 1.6 mm, high-transmittance glass, reinforced, anti-reflective coating (AR)
• Back Glass: 1.6 mm, high-transmittance glass, thermally reinforced
• Cell Sealing Material: POE / EVA
• Frame: 30 mm anodized aluminum alloy, black color
• Junction Box (J-Box): protection class IP68
• Connection Cables: photovoltaic cable 4.0 mm2 (horizontal: 1100/1100 mm)
• Connector: TS4 / MC4 EVO2*