Compare Solar Panels & Manufacturers
Compare Goldsun JS-1840M vs Kootatu Tech PM 20
JS-1840M
Model: JS-1840M
Series: JS-1840M
Manufacturer: Goldsun
Rated Power: 40 Wp
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
PM 20
Model: PM 20
Series: PM 20
Manufacturer: Kootatu Tech
Rated Power: 20 Wp
Warranty Terms
Output Warranty:
10 Years of 90% Output Power
Materials Warranty: unknown
Panel Performance
Rated Power: 20 Wp
Efficiency: 10.86 %
Voltage at Maximum Power VMPP: 20.52 V
Current at Maximum Power IMPP: 0.93 A
Open Circuit Voltage VOC: 26.43 V
Short Circuit Current ISC: 1 A
Power Tolerance Positive: + 5 %
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: 3 kg
Cell Type: Polycrystalline
Cell Count: 44
Glass Thickness: 3.2 mm
Juntion Box Protection Class: IP 65
Cable Length: unknown
Glass Type: Tempered, Low Iron