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Compare ET Solar Group ET-P660270WW/WB vs Topraysol Group FS345M6-72

ET Solar Group

ET-P660270WW/WB

Model: ET-P660270WW/WB

Series: ET-P660WB/WW 260-270

Manufacturer: ET Solar Group

Rated Power: 270 Wp

EnergyPal ET Solar Group Solar Panels ET-P660WB/WW 260-270 ET-P660270WW/WB
Warranty Terms

Output Warranty:

25 Years of 81.9% Output Power

Materials Warranty: 10 Years


Panel Performance

Rated Power: 270 Wp

Efficiency: 16.6 %

Voltage at Maximum Power VMPP: 30.97 V

Current at Maximum Power IMPP: 8.72 A

Open Circuit Voltage VOC: 38.72 V

Short Circuit Current ISC: 9.31 A

Power Tolerance Positive: + 2 %

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: -0.34 %/°C

Temperature Coefficient of Isc: 0.04 %/°C


Solar Panel Attributes

Weight: 18.5 kg

Cell Type: Polycrystalline

Cell Count: 60

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: unknown

Glass Type: unknown

Model: FS345M6-72

Series: FS340-375M6-72P

Manufacturer: Topraysol Group

Rated Power: 345 Wp

EnergyPal Topraysol Group  Solar Panels FS340-375M6-72P FS345M6-72
Warranty Terms

Output Warranty:

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

Materials Warranty: 10 Years


Panel Performance

Rated Power: 345 Wp

Efficiency: 17.7 %

Voltage at Maximum Power VMPP: 38.5 V

Current at Maximum Power IMPP: 8.96 A

Open Circuit Voltage VOC: 46.7 V

Short Circuit Current ISC: 9.55 A

Power Tolerance Positive: + 1.5 %

Maximum System Voltage: 1000 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.4 %/°C

Temperature Coefficient of Voc: -0.29 %/°C

Temperature Coefficient of Isc: 0.05 %/°C


Solar Panel Attributes

Weight: 26 kg

Cell Type: Monocrystalline

Cell Count: 72

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: 900 mm

Glass Type: Tempered, Low Iron