Compare SunPower SPR-X21-350-BLK vs BQ Solartech BQ-144-6-350P

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

Warranty Terms

Output Warranty:

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

Materials Warranty: 12 Years

Panel Performance

Rated Power: 350 Wp

Efficiency: 17.6 %

Voltage at Maximum Power VMPP: 38.95 V

Current at Maximum Power IMPP: 9 A

Open Circuit Voltage VOC: 46.7 V

Short Circuit Current ISC: 9.6 A

Power Tolerance Positive: unknown

Maximum System Voltage: 1500 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.39 %/°C

Temperature Coefficient of Voc: -0.32 %/°C

Temperature Coefficient of Isc: 0.055 %/°C

Solar Panel Attributes

Weight: 23 kg

Cell Type: Polycrystalline

Cell Count: 144

Glass Thickness: unknown

Juntion Box Protection Class: IP 68

Cable Length: 270 mm

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