Compare SunPower SPR-X21-335-AC vs Shengtai Energy ST-72P-325

Warranty Terms

Output Warranty:

10 Years of 96% Output Power, 25 Years of 92% Output Power

Materials Warranty: unknown

Panel Performance

Rated Power: 335 Wp

Efficiency: 20.6 %

Voltage at Maximum Power VMPP: 57.3 V

Current at Maximum Power IMPP: 5.85 A

Open Circuit Voltage VOC: 67.9 V

Short Circuit Current ISC: 6.23 A

Power Tolerance Positive: + 5 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.29 %/°C

Temperature Coefficient of Voc: unknown

Temperature Coefficient of Isc: unknown

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

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: 325 Wp

Efficiency: 16.75 %

Voltage at Maximum Power VMPP: 37.6 V

Current at Maximum Power IMPP: 8.66 A

Open Circuit Voltage VOC: 46.7 V

Short Circuit Current ISC: 9.1 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