Compare Jaje S.T JJ280M-20 vs Wukii Solar Technology WK310-30-P

Warranty Terms

Output Warranty:

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

Materials Warranty: 10 Years

Panel Performance

Rated Power: 280 Wp

Efficiency: 17.21 %

Voltage at Maximum Power VMPP: 31.4 V

Current at Maximum Power IMPP: 8.92 A

Open Circuit Voltage VOC: 38.5 V

Short Circuit Current ISC: 9.63 A

Power Tolerance Positive: + 2 %

Maximum System Voltage: 1000 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: 19.5 kg

Cell Type: Monocrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 1000 mm

Glass Type: Tempered, Low Iron

Warranty Terms

Output Warranty:

unknown

Materials Warranty: 12 Years

Panel Performance

Rated Power: 310 Wp

Efficiency: 16.01 %

Voltage at Maximum Power VMPP: 36.4 V

Current at Maximum Power IMPP: 8.52 A

Open Circuit Voltage VOC: 44.9 V

Short Circuit Current ISC: 9.08 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1500 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.435 %/°C

Temperature Coefficient of Voc: -0.35 %/°C

Temperature Coefficient of Isc: 0.043 %/°C

Solar Panel Attributes

Weight: 21 kg

Cell Type: Polycrystalline

Cell Count: 72

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: 90 mm

Glass Type: Tempered, Anti-reflection Coating, High Transmittance