Compare ET Solar Group ET-P660255BB vs SoloPower SP1 90

Warranty Terms

Output Warranty:

25 Years of 81.9% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 255 Wp

Efficiency: 15.67 %

Voltage at Maximum Power VMPP: 30.29 V

Current at Maximum Power IMPP: 8.42 A

Open Circuit Voltage VOC: 37.89 V

Short Circuit Current ISC: 9 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

Warranty Terms

Output Warranty:

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

Materials Warranty: 5 Years

Panel Performance

Rated Power: 90 Wp

Efficiency: 11.9 %

Voltage at Maximum Power VMPP: 24.7 V

Current at Maximum Power IMPP: 3.6 A

Open Circuit Voltage VOC: 33.6 V

Short Circuit Current ISC: 4.3 A

Power Tolerance Positive: + 5 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: unknown

Temperature Coefficient of Pmax: -0.4 %/°C

Temperature Coefficient of Voc: -0.3 %/°C

Temperature Coefficient of Isc: 0.01 %/°C

Solar Panel Attributes

Weight: 2.1 kg

Cell Type: Thin film(CIS)

Cell Count: unknown

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: unknown