Compare Beyondsun TSP280-60 vs Tommatech TT390 72PM

Warranty Terms

Output Warranty:

10 Years of 91.2% Output Power, 25 Years of 80.7% Output Power

Materials Warranty: 12 Years

Panel Performance

Rated Power: 280 Wp

Efficiency: 17.23 %

Voltage at Maximum Power VMPP: 32.15 V

Current at Maximum Power IMPP: 8.71 A

Open Circuit Voltage VOC: 38.42 V

Short Circuit Current ISC: 9.27 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.41 %/°C

Temperature Coefficient of Voc: -0.33 %/°C

Temperature Coefficient of Isc: 0.05 %/°C

Solar Panel Attributes

Weight: 18.2 kg

Cell Type: Polycrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 1000 mm

Glass Type: Tempered

Warranty Terms

Output Warranty:

12 Years of 90% Output Power, 25 Years of 83.5% Output Power

Materials Warranty: 12 Years

Panel Performance

Rated Power: 390 Wp

Efficiency: 20.01 %

Voltage at Maximum Power VMPP: 40.39 V

Current at Maximum Power IMPP: 9.67 A

Open Circuit Voltage VOC: 47.05 V

Short Circuit Current ISC: 10.36 A

Power Tolerance Positive: + 1.5 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.37 %/°C

Temperature Coefficient of Voc: -0.28 %/°C

Temperature Coefficient of Isc: 0.048 %/°C

Solar Panel Attributes

Weight: 22 kg

Cell Type: PERC

Cell Count: 72

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: 1000 mm

Glass Type: Anti-reflection Coating