Compare Goldsun JS-1840P vs Kingdom Solar KD-M290

Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown

Panel Performance

Rated Power: 40 Wp

Efficiency:

Voltage at Maximum Power VMPP: 18 V

Current at Maximum Power IMPP: 2.22 A

Open Circuit Voltage VOC: 21.6 V

Short Circuit Current ISC: 2.37 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: unknown

Solar Panels Thermal Ranges

Operating Temperature Range: -40~+85 °C

Temperature Coefficient of Pmax: unknown

Temperature Coefficient of Voc: -0.41 %/°C

Temperature Coefficient of Isc: unknown

Solar Panel Attributes

Weight: 3 kg

Cell Type: Polycrystalline

Cell Count: 36

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: unknown

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

Warranty Terms

Output Warranty:

unknown

Materials Warranty: 10 Years

Panel Performance

Rated Power: 290 Wp

Efficiency: 17.74 %

Voltage at Maximum Power VMPP: 32.07 V

Current at Maximum Power IMPP: 9.11 A

Open Circuit Voltage VOC: 39.46 V

Short Circuit Current ISC: 9.56 A

Power Tolerance Positive: + 1.5 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.423 %/°C

Temperature Coefficient of Voc: -0.307 %/°C

Temperature Coefficient of Isc: 0.04 %/°C

Solar Panel Attributes

Weight: 17.5 kg

Cell Type: Monocrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: unknown

Cable Length: 900 mm

Glass Type: Tempered