Compare Tihein THM 270M-72 vs ET Solar ET-M660320WW

Warranty Terms

Output Warranty:

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

Materials Warranty: 5 Years

Panel Performance

Rated Power: 270 Wp

Efficiency: 13.9 %

Voltage at Maximum Power VMPP: 35.7 V

Current at Maximum Power IMPP: 7.56 A

Open Circuit Voltage VOC: 44.3 V

Short Circuit Current ISC: 8.16 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.438 %/°C

Temperature Coefficient of Voc: -0.297 %/°C

Temperature Coefficient of Isc: 0.037 %/°C

Solar Panel Attributes

Weight: 22.5 kg

Cell Type: Monocrystalline

Cell Count: 72

Glass Thickness: 3.2 mm

Juntion Box Protection Class: unknown

Cable Length: 900 mm

Glass Type: Tempered, High Transmittance

Warranty Terms

Output Warranty:

12 Years of 95% Output Power, 25 Years of 88% Output Power

Materials Warranty: 25 Years

Panel Performance

Rated Power: 320 Wp

Efficiency: 19.55 %

Voltage at Maximum Power VMPP: 33.42 V

Current at Maximum Power IMPP: 9.58 A

Open Circuit Voltage VOC: 41.54 V

Short Circuit Current ISC: 10 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1500 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.42 %/°C

Temperature Coefficient of Voc: -0.30 %/°C

Temperature Coefficient of Isc: 0.05 %/°C

Solar Panel Attributes

Weight: 18.8 kg

Cell Type: Monocrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: unknown

Cable Length: 90 mm

Glass Type: Anti-reflection Coating