Compare Saijing Solar ECS-275M60 vs Union Solar Energy Poly 20W

Warranty Terms

Output Warranty:

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

Materials Warranty: 12 Years

Panel Performance

Rated Power: 275 Wp

Efficiency: 16.9 %

Voltage at Maximum Power VMPP: 31.9 V

Current at Maximum Power IMPP: 8.62 A

Open Circuit Voltage VOC: 38.9 V

Short Circuit Current ISC: 9.43 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

Warranty Terms

Output Warranty:

20 Years of 80% Output Power

Materials Warranty: 5 Years

Panel Performance

Rated Power: 20 Wp

Efficiency:

Voltage at Maximum Power VMPP: 17.6 V

Current at Maximum Power IMPP: 1.16 A

Open Circuit Voltage VOC: 22.1 V

Short Circuit Current ISC: 1.22 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 600 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.5 %/°C

Temperature Coefficient of Voc: -0.4 %/°C

Temperature Coefficient of Isc: 0.065 %/°C

Solar Panel Attributes

Weight: 2.2 kg

Cell Type: Polycrystalline

Cell Count: 36

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: unknown