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Compare SunPower SPR-X21-350-BLK vs Zytech Solar ZT315S

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: ZT315S

Series: ZT310-315S

Manufacturer: Zytech Solar

Rated Power: 315 Wp

EnergyPal Zytech Solar Solar Panels ZT310-315S ZT315S
Warranty Terms

Output Warranty:

unknown

Materials Warranty: 10 Years


Panel Performance

Rated Power: 315 Wp

Efficiency: 18.67 %

Voltage at Maximum Power VMPP: 37.56 V

Current at Maximum Power IMPP: 8.39 A

Open Circuit Voltage VOC: 46.57 V

Short Circuit Current ISC: 8.81 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.48 %/°C

Temperature Coefficient of Voc: -0.34 %/°C

Temperature Coefficient of Isc: 0.037 %/°C


Solar Panel Attributes

Weight: 23 kg

Cell Type: Monocrystalline

Cell Count: 72

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: 1000 mm

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