Compare ET Solar Group ET-M648BB 225 vs Sola SL320M-72

Warranty Terms

Output Warranty:

25 Years of 81.4% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 225 Wp

Efficiency: 17.13 %

Voltage at Maximum Power VMPP: 25.29 V

Current at Maximum Power IMPP: 8.9 A

Open Circuit Voltage VOC: 31.41 V

Short Circuit Current ISC: 9.23 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

Warranty Terms

Output Warranty:

10 Years of 90% Output Power, 25 Years of 80.2% Output Power

Materials Warranty: 12 Years

Panel Performance

Rated Power: 320 Wp

Efficiency: 16.5 %

Voltage at Maximum Power VMPP: 38.33 V

Current at Maximum Power IMPP: 8.95 A

Open Circuit Voltage VOC: 45.55 V

Short Circuit Current ISC: 8.35 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.41 %/°C

Temperature Coefficient of Voc: -0.303 %/°C

Temperature Coefficient of Isc: 0.46 %/°C

Solar Panel Attributes

Weight: 23 kg

Cell Type: Monocrystalline

Cell Count: 72

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: 900 mm

Glass Type: Tempered, Anti-reflection Coating, High Transmittance, Low Iron