Compare Tianhua PV TH40M vs ET Solar ET-M672BH435TW

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:

12 Years of 90% Output Power, 25 Years of 82% Output Power

Materials Warranty: 25 Years

Panel Performance

Rated Power: 435 Wp

Efficiency: 19.4 %

Voltage at Maximum Power VMPP: 41.4 V

Current at Maximum Power IMPP: 10.51 A

Open Circuit Voltage VOC: 49.8 V

Short Circuit Current ISC: 11.16 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1500 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.370 %/°C

Temperature Coefficient of Voc: -0.300 %/°C

Temperature Coefficient of Isc: 0.060 %/°C

Solar Panel Attributes

Weight: 24 kg

Cell Type: Monocrystalline

Cell Count: 144

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: unknown

Glass Type: Anti-reflection Coating