Compare CNBM International M280 vs KF Solar Tech Group KF135M-12

Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown

Panel Performance

Rated Power: 280 Wp

Efficiency:

Voltage at Maximum Power VMPP: 31.4 V

Current at Maximum Power IMPP: 8.92 A

Open Circuit Voltage VOC: 38.7 V

Short Circuit Current ISC: 9.45 A

Power Tolerance Positive: unknown

Maximum System Voltage: unknown

Solar Panels Thermal Ranges

Operating Temperature Range: unknown

Temperature Coefficient of Pmax: unknown

Temperature Coefficient of Voc: unknown

Temperature Coefficient of Isc: unknown

Solar Panel Attributes

Weight: unknown

Cell Type: Monocrystalline

Cell Count: unknown

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: unknown

Warranty Terms

Output Warranty:

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

Materials Warranty: 10 Years

Panel Performance

Rated Power: 135 Wp

Efficiency: 15.77 %

Voltage at Maximum Power VMPP: 18.5 V

Current at Maximum Power IMPP: 7.3 A

Open Circuit Voltage VOC: 22.7 V

Short Circuit Current ISC: 7.88 A

Power Tolerance Positive: + 4 %

Maximum System Voltage: 715 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.4 %/°C

Temperature Coefficient of Voc: -0.32 %/°C

Temperature Coefficient of Isc: 0.05 %/°C

Solar Panel Attributes

Weight: unknown

Cell Type: Monocrystalline

Cell Count: 36

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: unknown

Glass Type: Tempered, Low Iron