Compare Solar Panels & Manufacturers

Compare ET Solar Group ET-M672330BB vs Huajun Power HJ-290M-Xa

ET Solar Group

ET-M672330BB

Model: ET-M672330BB

Series: ET-M672BB 320-340

Manufacturer: ET Solar Group

Rated Power: 330 Wp

EnergyPal ET Solar Group Solar Panels ET-M672BB 320-340 ET-M672330BB
Warranty Terms

Output Warranty:

25 Years of 81.4% Output Power

Materials Warranty: 10 Years


Panel Performance

Rated Power: 330 Wp

Efficiency: 17.01 %

Voltage at Maximum Power VMPP: 37.55 V

Current at Maximum Power IMPP: 8.79 A

Open Circuit Voltage VOC: 46.64 V

Short Circuit Current ISC: 9.29 A

Power Tolerance Positive: + 1.5 %

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: 25.7 kg

Cell Type: Monocrystalline

Cell Count: 72

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: unknown

Glass Type: unknown

Huajun Power

HJ-290M-Xa

Model: HJ-290M-Xa

Series: HJ-M-Xa 280-305W

Manufacturer: Huajun Power

Rated Power: 290 Wp

EnergyPal Huajun Power   Solar Panels HJ-M-Xa 280-305W HJ-290M-Xa
Warranty Terms

Output Warranty:

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

Materials Warranty: 10 Years


Panel Performance

Rated Power: 290 Wp

Efficiency: 17.74 %

Voltage at Maximum Power VMPP: 32.21 V

Current at Maximum Power IMPP: 9.01 A

Open Circuit Voltage VOC: 39.51 V

Short Circuit Current ISC: 9.5 A

Power Tolerance Positive: + 1.5 %

Maximum System Voltage: 1000 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.39 %/°C

Temperature Coefficient of Voc: -0.3 %/°C

Temperature Coefficient of Isc: 0.06 %/°C


Solar Panel Attributes

Weight: 18.3 kg

Cell Type: Monocrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 1000 mm

Glass Type: Tempered