Compare Saijing Solar ECS-345M72 vs ET Solar ET-M660310WW

Warranty Terms

Output Warranty:

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

Materials Warranty: 12 Years

Panel Performance

Rated Power: 345 Wp

Efficiency: 17.8 %

Voltage at Maximum Power VMPP: 38.9 V

Current at Maximum Power IMPP: 8.87 A

Open Circuit Voltage VOC: 47.8 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: 23 kg

Cell Type: Monocrystalline

Cell Count: 72

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: unknown

Glass Type: Tempered, Low Iron

Warranty Terms

Output Warranty:

12 Years of 95% Output Power, 25 Years of 88% Output Power

Materials Warranty: 25 Years

Panel Performance

Rated Power: 310 Wp

Efficiency: 18.94 %

Voltage at Maximum Power VMPP: 32.98 V

Current at Maximum Power IMPP: 9.4 A

Open Circuit Voltage VOC: 40.75 V

Short Circuit Current ISC: 9.86 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1500 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: 0.05 %/°C

Solar Panel Attributes

Weight: 18.8 kg

Cell Type: Monocrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: unknown

Cable Length: 90 mm

Glass Type: Anti-reflection Coating