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Compare Eternal New Energy Engineering WSM 60-280 vs ET Solar Group ET-P660260BB

Model: WSM 60-280

Series: WSM 60(255-290W)

Manufacturer: Eternal New Energy Engineering

Rated Power: 280 Wp

EnergyPal Eternal New Energy Engineering  Solar Panels WSM 60(255-290W) WSM 60-280
Warranty Terms

Output Warranty:

12 Years of 97% Output Power, 25 Years of 85% Output Power

Materials Warranty: 10 Years


Panel Performance

Rated Power: 280 Wp

Efficiency: 17.23 %

Voltage at Maximum Power VMPP: 31 V

Current at Maximum Power IMPP: 9.04 A

Open Circuit Voltage VOC: 38.7 V

Short Circuit Current ISC: 9.47 A

Power Tolerance Positive: + 2 %

Maximum System Voltage: 1000 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.44 %/°C

Temperature Coefficient of Voc: -0.34 %/°C

Temperature Coefficient of Isc: 0.06 %/°C


Solar Panel Attributes

Weight: 19 kg

Cell Type: Monocrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 900 mm

Glass Type: Tempered, Low Iron

ET Solar Group

ET-P660260BB

Model: ET-P660260BB

Series: ET-P660BB 255-265

Manufacturer: ET Solar Group

Rated Power: 260 Wp

EnergyPal ET Solar Group Solar Panels ET-P660BB 255-265 ET-P660260BB
Warranty Terms

Output Warranty:

25 Years of 81.9% Output Power

Materials Warranty: 10 Years


Panel Performance

Rated Power: 260 Wp

Efficiency: 15.98 %

Voltage at Maximum Power VMPP: 30.59 V

Current at Maximum Power IMPP: 8.5 A

Open Circuit Voltage VOC: 38.16 V

Short Circuit Current ISC: 9.07 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