Compare Tianhua PV TH40M vs Unimen Solar US280P-20

Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown

Panel Performance

Rated Power: 40 Wp

Efficiency: 11.4 %

Voltage at Maximum Power VMPP: 17.5 V

Current at Maximum Power IMPP: 2.3 A

Open Circuit Voltage VOC: 23.8 V

Short Circuit Current ISC: 3.1 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: unknown

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.47 %/°C

Temperature Coefficient of Voc: -0.38 %/°C

Temperature Coefficient of Isc: 0.10 %/°C

Solar Panel Attributes

Weight: 5 kg

Cell Type: Monocrystalline

Cell Count: 36

Glass Thickness: 3.2 mm

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: unknown

Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown

Panel Performance

Rated Power: 280 Wp

Efficiency: 17.12 %

Voltage at Maximum Power VMPP: 31.61 V

Current at Maximum Power IMPP: 8.86 A

Open Circuit Voltage VOC: 38.72 V

Short Circuit Current ISC: 9.46 A

Power Tolerance Positive: unknown

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.43 %/°C

Temperature Coefficient of Voc: -0.41 %/°C

Temperature Coefficient of Isc: 0.08 %/°C

Solar Panel Attributes

Weight: 18 kg

Cell Type: Polycrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 900 mm

Glass Type: Anti-reflection Coating