Compare Beyondsun TSP280-60 vs GMA Solar GMA 4W-P

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:

10 Years of 90% Output Power, 25 Years of 80% Output Power

Materials Warranty: 2 Years

Panel Performance

Rated Power: 4 Wp

Efficiency:

Voltage at Maximum Power VMPP: 12.6 V

Current at Maximum Power IMPP: 0.32 A

Open Circuit Voltage VOC: 15.7 V

Short Circuit Current ISC: 0.4 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 700 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.42 %/°C

Temperature Coefficient of Voc: -0.31 %/°C

Temperature Coefficient of Isc: 0.033 %/°C

Solar Panel Attributes

Weight: 1.3 kg

Cell Type: Polycrystalline

Cell Count: unknown

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: unknown

Glass Type: Tempered, High Transmittance, Low Iron