Compare Solar Panels & Manufacturers
Compare Allesun SPM020-12 vs RayTech New Energy Materials DM28-130
SPM020-12
Model: SPM020-12
Series: SPM 005-140-12
Manufacturer: Allesun
Rated Power: 20 Wp
Warranty Terms
Output Warranty:
unknown
Materials Warranty: unknown
Panel Performance
Rated Power: 20 Wp
Efficiency:
Voltage at Maximum Power VMPP: 17.2 V
Current at Maximum Power IMPP: 1.17 A
Open Circuit Voltage VOC: 21.6 V
Short Circuit Current ISC: 1.5 A
Power Tolerance Positive: unknown
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: unknown
Cell Type: Monocrystalline
Cell Count: unknown
Glass Thickness: unknown
Juntion Box Protection Class: unknown
Cable Length: unknown
Glass Type: unknown
DM28-130
Model: DM28-130
Series: DM28-125-135
Manufacturer: RayTech New Energy Materials
Rated Power: 130 Wp
Warranty Terms
Output Warranty:
unknown
Materials Warranty: 10 Years
Panel Performance
Rated Power: 130 Wp
Efficiency: 7.9 %
Voltage at Maximum Power VMPP: 15.4 V
Current at Maximum Power IMPP: 8.5 A
Open Circuit Voltage VOC: 18.26 V
Short Circuit Current ISC: 8.97 A
Power Tolerance Positive: + 3 %
Maximum System Voltage: 1500 V
Solar Panels Thermal Ranges
Operating Temperature Range: -40~85 °C
Temperature Coefficient of Pmax: -0.42 %/°C
Temperature Coefficient of Voc: -0.33 %/°C
Temperature Coefficient of Isc: 0.04 %/°C
Solar Panel Attributes
Weight: 23 kg
Cell Type: Monocrystalline
Cell Count: 28
Glass Thickness: unknown
Juntion Box Protection Class: IP 67
Cable Length: unknown
Glass Type: Tempered, Low Iron