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Compare ET Solar Group ET-P660270WW/WB vs MeiSongMao Industrial MSM-255P

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: MSM-255P

Series: Poly 255-275W

Manufacturer: MeiSongMao Industrial

Rated Power: 255 Wp

EnergyPal MeiSongMao Industrial  Solar Panels Poly 255-275W MSM-255P
Warranty Terms

Output Warranty:

unknown

Materials Warranty: 10 Years


Panel Performance

Rated Power: 255 Wp

Efficiency: 15.67 %

Voltage at Maximum Power VMPP: 30.2 V

Current at Maximum Power IMPP: 8.43 A

Open Circuit Voltage VOC: 37.3 V

Short Circuit Current ISC: 9 A

Power Tolerance Positive: + 2 %

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: -0.32 %/°C

Temperature Coefficient of Isc: 0.05 %/°C


Solar Panel Attributes

Weight: 20 kg

Cell Type: Polycrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 900 mm

Glass Type: Tempered