Compare Solar Panels & Manufacturers

Compare ET Solar Group ET-M648BB 230 vs ILB Helios Group NA275WM96-125/J

ET Solar Group

ET-M648BB 230

Model: ET-M648BB 230

Series: ET-M648BB 215-230

Manufacturer: ET Solar Group

Rated Power: 230 Wp

EnergyPal ET Solar Group Solar Panels ET-M648BB 215-230 ET-M648BB 230
Warranty Terms

Output Warranty:

25 Years of 81.4% Output Power

Materials Warranty: 10 Years


Panel Performance

Rated Power: 230 Wp

Efficiency: 17.51 %

Voltage at Maximum Power VMPP: 25.33 V

Current at Maximum Power IMPP: 9.09 A

Open Circuit Voltage VOC: 31.74 V

Short Circuit Current ISC: 9.59 A

Power Tolerance Positive: + 2 %

Maximum System Voltage: 1000 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.43 %/°C

Temperature Coefficient of Voc: -0.3 %/°C

Temperature Coefficient of Isc: 0.06 %/°C


Solar Panel Attributes

Weight: 15 kg

Cell Type: Monocrystalline

Cell Count: 48

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: unknown

Glass Type: unknown

ILB Helios Group

NA275WM96-125/J

Model: NA275WM96-125/J

Series: NA C-Class 240-275

Manufacturer: ILB Helios Group

Rated Power: 275 Wp

EnergyPal ILB Helios Group Solar Panels NA C-Class 240-275 NA275WM96-125/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: 275 Wp

Efficiency: 16.17 %

Voltage at Maximum Power VMPP: 50.5 V

Current at Maximum Power IMPP: 5.45 A

Open Circuit Voltage VOC: 60.6 V

Short Circuit Current ISC: 6.11 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: -0.30 %/°C

Temperature Coefficient of Isc: 0.034 %/°C


Solar Panel Attributes

Weight: 21.5 kg

Cell Type: Monocrystalline

Cell Count: 96

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: 900 mm

Glass Type: Tempered, Low Iron