Compare Solar Panels & Manufacturers

Compare Star Solar SP20-12P vs Just Solar JST305M(60)

Star Solar

SP20-12P

Model: SP20-12P

Series: SP20-12P

Manufacturer: Star Solar

Rated Power: 20 Wp

EnergyPal Star Solar Solar Panels SP20-12P SP20-12P
Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown


Panel Performance

Rated Power: 20 Wp

Efficiency:

Voltage at Maximum Power VMPP: 17.5 V

Current at Maximum Power IMPP: 1.14 A

Open Circuit Voltage VOC: 21.24 V

Short Circuit Current ISC: 1.28 A

Power Tolerance Positive: unknown

Maximum System Voltage: 600 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: 1.62 kg

Cell Type: Polycrystalline

Cell Count: unknown

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: unknown

Just Solar

JST305M(60)

Model: JST305M(60)

Series: JST300-320M(60)-Bi

Manufacturer: Just Solar

Rated Power: 305 Wp

EnergyPal Just Solar Solar Panels JST300-320M(60)-Bi JST305M(60)
Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown


Panel Performance

Rated Power: 305 Wp

Efficiency: 18.4 %

Voltage at Maximum Power VMPP: 33.81 V

Current at Maximum Power IMPP: 9.02 A

Open Circuit Voltage VOC: 40.15 V

Short Circuit Current ISC: 9.76 A

Power Tolerance Positive: + 5 %

Maximum System Voltage: 1500 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.38 %/°C

Temperature Coefficient of Voc: -0.3 %/°C

Temperature Coefficient of Isc: 0.06 %/°C


Solar Panel Attributes

Weight: 23.2 kg

Cell Type: Bifacial, PERC

Cell Count: 60

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: Tempered, Anti-reflection Coating