Compare Just Solar JST305P(120) vs Energy Research Institute ERI-20FM

Warranty Terms

Output Warranty:

10 Years of 90% Output Power, 25 Years of 80% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 305 Wp

Efficiency: 18.1 %

Voltage at Maximum Power VMPP: 34.01 V

Current at Maximum Power IMPP: 8.95 A

Open Circuit Voltage VOC: 39.6 V

Short Circuit Current ISC: 9.95 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1500 V

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: 19 kg

Cell Type: Polycrystalline

Cell Count: 120

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: Tempered, Anti-reflection Coating, High Transmittance

Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown

Panel Performance

Rated Power: 20 Wp

Efficiency:

Voltage at Maximum Power VMPP: 20.8 V

Current at Maximum Power IMPP: 1.23 A

Open Circuit Voltage VOC: 17.6 V

Short Circuit Current ISC: 1.14 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 150 V

Solar Panels Thermal Ranges

Operating Temperature Range: unknown

Temperature Coefficient of Pmax: -0.38 %/°C

Temperature Coefficient of Voc: -0.27 %/°C

Temperature Coefficient of Isc: 0.05 %/°C

Solar Panel Attributes

Weight: 2 kg

Cell Type: Monocrystalline

Cell Count: 36

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: unknown