Compare Great Solar Technology 315(P) vs Union Solar Energy Poly 20W

Warranty Terms

Output Warranty:

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

Materials Warranty: 10 Years

Panel Performance

Rated Power: 315 Wp

Efficiency: 16.24 %

Voltage at Maximum Power VMPP: 37.4 V

Current at Maximum Power IMPP: 8.43 A

Open Circuit Voltage VOC: 45.9 V

Short Circuit Current ISC: 8.94 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.39 %/°C

Temperature Coefficient of Voc: -0.34 %/°C

Temperature Coefficient of Isc: 0.09 %/°C

Solar Panel Attributes

Weight: 25 kg

Cell Type: Polycrystalline

Cell Count: 72

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 1000 mm

Glass Type: Tempered, Low Iron

Warranty Terms

Output Warranty:

20 Years of 80% Output Power

Materials Warranty: 5 Years

Panel Performance

Rated Power: 20 Wp

Efficiency:

Voltage at Maximum Power VMPP: 17.6 V

Current at Maximum Power IMPP: 1.16 A

Open Circuit Voltage VOC: 22.1 V

Short Circuit Current ISC: 1.22 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 600 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.5 %/°C

Temperature Coefficient of Voc: -0.4 %/°C

Temperature Coefficient of Isc: 0.065 %/°C

Solar Panel Attributes

Weight: 2.2 kg

Cell Type: Polycrystalline

Cell Count: 36

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: unknown