Trina Solar Tallmax TSM-DE15V(II) 470–490W Monocrystalline Solar Panel

The Trina Solar Tallmax TSM-DE15V(II) is a high-performance monocrystalline solar module engineered for strong energy output, long-term reliability, and dependable operation in demanding environments. Built with 252 half-cut monocrystalline cells and multi-busbar (MBB) technology, this framed module delivers a power output range of 470W to 490W with up to 20.8% maximum module efficiency. It also features a positive power tolerance of 0 to +5W, helping ensure stable and optimized real-world performance. 

Designed for high energy generation, the Tallmax series offers improved irradiance performance, better anti-shading behavior, and lower operating temperatures. Trina Solar also highlights enhanced reliability through PID resistance, resistance to salt, acid, and ammonia, and strong structural durability with up to 5400 Pa positive load and 2400 Pa negative load capacity. 

This module is suitable for customers looking for a durable, high-output solar panel from a globally recognized manufacturer. It includes a 12-year product workmanship warranty and a 25-year power warranty, making it a strong choice for long-term solar installations. 

Key Features

• Power output: 470W to 490W

• Maximum efficiency: up to 20.8%

• Cell type: Monocrystalline

• Cell layout: 252 cells (12 × 21)

• Technology: Half-cut cells with Multi-Busbar (MBB)

• Positive power tolerance: 0 to +5W

• Maximum system voltage: 1500V DC (IEC/UL)

• Operating temperature: -40°C to +85°C

• PID resistant

• Resistant to salt, acid, and ammonia

• Mechanical load rating: 5400 Pa positive / 2400 Pa negative

• J-box rating: IP68

• Frame: 35 mm anodized aluminium alloy

• Warranty: 12-year product workmanship warranty, 25-year power warranty

Technical Specifications

Model Series: Trina Solar Tallmax TSM-DE15V(II)
Module Type: Framed monocrystalline module
Power Range: 470W / 475W / 480W / 485W / 490W
Maximum Efficiency: 20.0% to 20.8%
Dimensions: 2315 × 1016 × 35 mm
Weight: 26.0 kg
Front Glass: 3.2 mm high-transmission, AR-coated heat-strengthened glass
Backsheet: White
Encapsulant: EVA
Connector: MC4 EVO2 / TS4*
Cable: 4.0 mm² photovoltaic cable
Max Series Fuse Rating: 25A
NOCT: 43°C ±2°C
Temperature Coefficient of Pmax: -0.34%/°C
Temperature Coefficient of Voc: -0.25%/°C
Temperature Coefficient of Isc: 0.04%/°C 

Electrical Data (STC)

470W Variant

• Vmp: 36.1V

• Imp: 13.02A

• Voc: 43.0V

• Isc: 13.73A

• Efficiency: 20.0%

475W Variant

• Vmp: 36.2V

• Imp: 13.12A

• Voc: 43.1V

• Isc: 13.80A

• Efficiency: 20.2%

480W Variant

• Vmp: 36.3V

• Imp: 13.23A

• Voc: 43.2V

• Isc: 13.92A

• Efficiency: 20.4%

485W Variant

• Vmp: 36.4V

• Imp: 13.33A

• Voc: 43.3V

• Isc: 13.97A

• Efficiency: 20.6%

490W Variant

• Vmp: 36.5V

• Imp: 13.43A

• Voc: 43.4V

• Isc: 14.07A

• Efficiency: 20.8%

Electrical Data (NOCT)

• 470W model: Pmax 354W, Vmp 33.6V, Imp 10.53A, Voc 40.5V, Isc 11.06A

• 475W model: Pmax 358W, Vmp 33.8V, Imp 10.59A, Voc 40.6V, Isc 11.12A

• 480W model: Pmax 362W, Vmp 33.9V, Imp 10.68A, Voc 40.7V, Isc 11.22A

• 485W model: Pmax 365W, Vmp 34.0V, Imp 10.72A, Voc 40.7V, Isc 11.26A

• 490W model: Pmax 369W, Vmp 34.1V, Imp 10.80A, Voc 40.8V, Isc 11.34A

Certifications

This module series is listed with major product and management certifications including:

• IEC61215

• IEC61730

• IEC61701

• IEC62716

• UL61730

• ISO 9001

• ISO 14001

• ISO 45001

• ISO14064

Packaging Information

• Modules per box: 31

• Modules per 40’ container: 620