Compare Powertrac Solar Project PSPL 20W vs Indosolar ISLM-255

Warranty Terms

Output Warranty:

10 Years of 91% Output Power, 25 Years of 80% Output Power

Materials Warranty: unknown

Panel Performance

Rated Power: 20 Wp

Efficiency:

Voltage at Maximum Power VMPP: 17.7 V

Current at Maximum Power IMPP: 1.16 A

Open Circuit Voltage VOC: 21.5 V

Short Circuit Current ISC: 1.2 A

Power Tolerance Positive: + 25 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.47 %/°C

Temperature Coefficient of Voc: -0.34 %/°C

Temperature Coefficient of Isc: 0.045 %/°C

Solar Panel Attributes

Weight: 2 kg

Cell Type: Polycrystalline

Cell Count: 36

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: 1000 mm

Glass Type: Tempered, High Transmittance, Low Iron

Warranty Terms

Output Warranty:

unknown

Materials Warranty: 10 Years

Panel Performance

Rated Power: 255 Wp

Efficiency: 15.9 %

Voltage at Maximum Power VMPP: 30.3 V

Current at Maximum Power IMPP: 8.42 A

Open Circuit Voltage VOC: 37.5 V

Short Circuit Current ISC: 9.01 A

Power Tolerance Positive: + 2 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.433 %/°C

Temperature Coefficient of Voc: -0.3434 %/°C

Temperature Coefficient of Isc: 0.0534 %/°C

Solar Panel Attributes

Weight: 18.2 kg

Cell Type: Polycrystalline

Cell Count: 60

Glass Thickness: 4 mm

Juntion Box Protection Class: IP 67

Cable Length: 1000 mm

Glass Type: High Transmittance