Compare ET Solar Group ET-M672320BB vs Saijing Solar ECS-290M60

Warranty Terms

Output Warranty:

25 Years of 81.4% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 320 Wp

Efficiency: 16.49 %

Voltage at Maximum Power VMPP: 37 V

Current at Maximum Power IMPP: 8.65 A

Open Circuit Voltage VOC: 46.31 V

Short Circuit Current ISC: 9.08 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

Warranty Terms

Output Warranty:

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

Materials Warranty: 12 Years

Panel Performance

Rated Power: 290 Wp

Efficiency: 17.8 %

Voltage at Maximum Power VMPP: 33.1 V

Current at Maximum Power IMPP: 8.76 A

Open Circuit Voltage VOC: 40.2 V

Short Circuit Current ISC: 9.62 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~80 °C

Temperature Coefficient of Pmax: -0.4 %/°C

Temperature Coefficient of Voc: -0.31 %/°C

Temperature Coefficient of Isc: 0.04 %/°C

Solar Panel Attributes

Weight: 20 kg

Cell Type: Monocrystalline

Cell Count: 60

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: Tempered, Low Iron