Compare Solar Panels & Manufacturers

Compare ILB Helios Group NA240WM60-156/J vs ET Solar ET-P660H290WW

ILB Helios Group

NA240WM60-156/J

Model: NA240WM60-156/J

Series: NA C-Class 230-250

Manufacturer: ILB Helios Group

Rated Power: 240 Wp

EnergyPal ILB Helios Group Solar Panels NA C-Class 230-250 NA240WM60-156/J
Warranty Terms

Output Warranty:

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

Materials Warranty: 5 Years


Panel Performance

Rated Power: 240 Wp

Efficiency: 14.66 %

Voltage at Maximum Power VMPP: 30.2 V

Current at Maximum Power IMPP: 7.94 A

Open Circuit Voltage VOC: 37.4 V

Short Circuit Current ISC: 8.58 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.42 %/°C

Temperature Coefficient of Voc: -0.34 %/°C

Temperature Coefficient of Isc: 0.06 %/°C


Solar Panel Attributes

Weight: 19.5 kg

Cell Type: Monocrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: 900 mm

Glass Type: Tempered, Low Iron

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