Compare Goldsun JS-1840M vs Kootatu Tech PM 225

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: 1.94 A

Open Circuit Voltage VOC: 21.6 V

Short Circuit Current ISC: 2.08 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: 2.41 kg

Cell Type: Monocrystalline

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:

10 Years of 90% Output Power, 20 Years of 80% Output Power

Materials Warranty: unknown

Panel Performance

Rated Power: 225 Wp

Efficiency: 13.56 %

Voltage at Maximum Power VMPP: 29.13 V

Current at Maximum Power IMPP: 7.77 A

Open Circuit Voltage VOC: 37.08 V

Short Circuit Current ISC: 8.2 A

Power Tolerance Positive: + 5 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.52 %/°C

Temperature Coefficient of Voc: -0.37 %/°C

Temperature Coefficient of Isc: 0.07 %/°C

Solar Panel Attributes

Weight: 21 kg

Cell Type: Polycrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: unknown

Glass Type: Tempered, Low Iron