Compare Goldsun JS-1840P vs RK Solar RK-Transmittance 20%

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: unknown

Panel Performance

Rated Power: 78 Wp

Efficiency:

Voltage at Maximum Power VMPP: 94.3 V

Current at Maximum Power IMPP: 0.83 A

Open Circuit Voltage VOC: 121.7 V

Short Circuit Current ISC: 0.96 A

Power Tolerance Positive: unknown

Maximum System Voltage: unknown

Solar Panels Thermal Ranges

Operating Temperature Range: unknown

Temperature Coefficient of Pmax: -0.28 %/°C

Temperature Coefficient of Voc: -0.28 %/°C

Temperature Coefficient of Isc: 0.04 %/°C

Solar Panel Attributes

Weight: 16.8 kg

Cell Type: Thin film(CdTe)

Cell Count: unknown

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: unknown

Glass Type: Tempered, High Transmittance, Double Glass