Compare Saikangguangdian Electrical SFW140W vs Light & Hope Energy 455W

Warranty Terms

Output Warranty:

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

Materials Warranty: 10 Years

Panel Performance

Rated Power: 140 Wp

Efficiency: 13.98 %

Voltage at Maximum Power VMPP: 17.8 V

Current at Maximum Power IMPP: 7.87 A

Open Circuit Voltage VOC: 21.8 V

Short Circuit Current ISC: 8.56 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.46 %/°C

Temperature Coefficient of Voc: -0.346 %/°C

Temperature Coefficient of Isc: 0.065 %/°C

Solar Panel Attributes

Weight: 13 kg

Cell Type: Monocrystalline

Cell Count: 36

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 1000 mm

Glass Type: Tempered, Low Iron

Warranty Terms

Output Warranty:

25 Years of 83.1% Output Power

Materials Warranty: 12 Years

Panel Performance

Rated Power: 455 Wp

Efficiency: 20.9 %

Voltage at Maximum Power VMPP: 41.6 V

Current at Maximum Power IMPP: 10.93 A

Open Circuit Voltage VOC: 49.8 V

Short Circuit Current ISC: 11.65 A

Power Tolerance Positive: + 1 %

Maximum System Voltage: 1500 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.38 %/°C

Temperature Coefficient of Voc: -0.284 %/°C

Temperature Coefficient of Isc: 0.05 %/°C

Solar Panel Attributes

Weight: 27.5 kg

Cell Type: Bifacial, PERC

Cell Count: 144

Glass Thickness: unknown

Juntion Box Protection Class: IP 68

Cable Length: 300 mm

Glass Type: Tempered, Double Glass