Compare Solar Panels & Manufacturers

Compare ET Solar ET-P660H290WW vs Sollatek SP175-PS

ET Solar

ET-P660H290WW

Model: ET-P660H290WW

Series: 280-290W Poly

Manufacturer: ET Solar

Rated Power: 290 Wp

EnergyPal ET Solar  Solar Panels 280-290W Poly ET-P660H290WW
Warranty Terms

Output Warranty:

unknown

Materials Warranty: 25 Years


Panel Performance

Rated Power: 290 Wp

Efficiency: 17.72 %

Voltage at Maximum Power VMPP: 32.65 V

Current at Maximum Power IMPP: 8.88 A

Open Circuit Voltage VOC: 40.41 V

Short Circuit Current ISC: 9.53 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: unknown


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: 18.6 kg

Cell Type: Polycrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 90 mm

Glass Type: Anti-reflection Coating

Sollatek

SP175-PS

Model: SP175-PS

Series: SP155-175-PS

Manufacturer: Sollatek

Rated Power: 175 Wp

EnergyPal Sollatek Solar Panels SP155-175-PS SP175-PS
Warranty Terms

Output Warranty:

unknown

Materials Warranty: 5 Years


Panel Performance

Rated Power: 175 Wp

Efficiency:

Voltage at Maximum Power VMPP: 34.2 V

Current at Maximum Power IMPP: unknown

Open Circuit Voltage VOC: 43.2 V

Short Circuit Current ISC: 5.4 A

Power Tolerance Positive: unknown

Maximum System Voltage: unknown


Solar Panels Thermal Ranges

Operating Temperature Range: unknown

Temperature Coefficient of Pmax: unknown

Temperature Coefficient of Voc: unknown

Temperature Coefficient of Isc: unknown


Solar Panel Attributes

Weight: 15.5 kg

Cell Type: Polycrystalline

Cell Count: 72

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: unknown