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Compare ET Solar Group ET-M648BB 215 vs United Renewable Energy D7K315H7A

ET Solar Group

ET-M648BB 215

Model: ET-M648BB 215

Series: ET-M648BB 215-230

Manufacturer: ET Solar Group

Rated Power: 215 Wp

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

Output Warranty:

25 Years of 81.4% Output Power

Materials Warranty: 10 Years


Panel Performance

Rated Power: 215 Wp

Efficiency: 16.37 %

Voltage at Maximum Power VMPP: 25.12 V

Current at Maximum Power IMPP: 8.56 A

Open Circuit Voltage VOC: 30.94 V

Short Circuit Current ISC: 9.12 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

Model: D7K315H7A

Series: D7K_H7A / 120 cells 315W-335W

Manufacturer: United Renewable Energy

Rated Power: 315 Wp

EnergyPal United Renewable Energy  Solar Panels D7K_H7A / 120 cells 315W-335W D7K315H7A
Warranty Terms

Output Warranty:

10 Years of 90.7% Output Power, 25 Years of 80.2% Output Power

Materials Warranty: 12 Years


Panel Performance

Rated Power: 315 Wp

Efficiency: 19 %

Voltage at Maximum Power VMPP: 33.1 V

Current at Maximum Power IMPP: 10.19 A

Open Circuit Voltage VOC: 40.16 V

Short Circuit Current ISC: 10.19 A

Power Tolerance Positive: unknown

Maximum System Voltage: 1500 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.367 %/°C

Temperature Coefficient of Voc: -0.28 %/°C

Temperature Coefficient of Isc: 0.06 %/°C


Solar Panel Attributes

Weight: 19 kg

Cell Type: Monocrystalline

Cell Count: 120

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 68

Cable Length: unknown

Glass Type: Tempered, Anti-reflection Coating