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Compare SunPower SPR-E19-320-COM vs Shengtai Energy ST-72P-335

SunPower

SPR-E19-320-COM

Model: SPR-E19-320-COM

Series: E-Series E20-320-327-COM

Manufacturer: SunPower

Rated Power: 320 Wp

EnergyPal SunPower Solar Panels E-Series E20-320-327-COM SPR-E19-320-COM
Warranty Terms

Output Warranty:

25 Years of 92% Output Power

Materials Warranty: unknown


Panel Performance

Rated Power: 320 Wp

Efficiency: 19.6 %

Voltage at Maximum Power VMPP: 54.7 V

Current at Maximum Power IMPP: 5.86 A

Open Circuit Voltage VOC: 64.8 V

Short Circuit Current ISC: 6.24 A

Power Tolerance Positive: + 1.5 %

Maximum System Voltage: 1000 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.35 %/°C

Temperature Coefficient of Voc: -0.37 %/°C

Temperature Coefficient of Isc: 0.02 %/°C


Solar Panel Attributes

Weight: 18.6 kg

Cell Type: Monocrystalline

Cell Count: 96

Glass Thickness: unknown

Juntion Box Protection Class: IP 65

Cable Length: unknown

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

Model: ST-72P-335

Series: ST-72P 315-335

Manufacturer: Shengtai Energy

Rated Power: 335 Wp

EnergyPal Shengtai  Energy  Solar Panels ST-72P 315-335 ST-72P-335
Warranty Terms

Output Warranty:

12 Years of 90% Output Power, 25 Years of 80.7% Output Power

Materials Warranty: 10 Years


Panel Performance

Rated Power: 335 Wp

Efficiency: 17.26 %

Voltage at Maximum Power VMPP: 38 V

Current at Maximum Power IMPP: 8.82 A

Open Circuit Voltage VOC: 47.1 V

Short Circuit Current ISC: 9.19 A

Power Tolerance Positive: + 1.5 %

Maximum System Voltage: 1000 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.41 %/°C

Temperature Coefficient of Voc: -0.31 %/°C

Temperature Coefficient of Isc: 0.06 %/°C


Solar Panel Attributes

Weight: 22.5 kg

Cell Type: Polycrystalline

Cell Count: 72

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 1200 mm

Glass Type: Tempered, High Transmittance