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Compare SunPower SPR-X21-350-BLK vs Swisswatt PW275

SunPower

SPR-X21-350-BLK

Model: SPR-X21-350-BLK

Series: X-Series X21-335-350W-BLK

Manufacturer: SunPower

Rated Power: 350 Wp

EnergyPal SunPower Solar Panels X-Series X21-335-350W-BLK SPR-X21-350-BLK
Warranty Terms

Output Warranty:

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

Materials Warranty: unknown


Panel Performance

Rated Power: 350 Wp

Efficiency: 21.5 %

Voltage at Maximum Power VMPP: 57.3 V

Current at Maximum Power IMPP: 6.11 A

Open Circuit Voltage VOC: 68.2 V

Short Circuit Current ISC: 6.5 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

Model: PW275

Series: PW275-300 72c

Manufacturer: Swisswatt

Rated Power: 275 Wp

EnergyPal Swisswatt Solar Panels PW275-300 72c PW275
Warranty Terms

Output Warranty:

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

Materials Warranty: 10 Years


Panel Performance

Rated Power: 275 Wp

Efficiency: 14.2 %

Voltage at Maximum Power VMPP: 36.11 V

Current at Maximum Power IMPP: 7.68 A

Open Circuit Voltage VOC: 44.07 V

Short Circuit Current ISC: 8.2 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.4418 %/°C

Temperature Coefficient of Voc: -0.3522 %/°C

Temperature Coefficient of Isc: 0.0877 %/°C


Solar Panel Attributes

Weight: 26 kg

Cell Type: Polycrystalline

Cell Count: 72

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: 900 mm

Glass Type: Tempered, High Transmittance, Low Iron