Compare SunPower SPR-X21-335-BLK vs Altius Solar AFP-250

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:

25 Years of 80.7% Output Power

Materials Warranty: 12 Years

Panel Performance

Rated Power: 250 Wp

Efficiency: 15.5 %

Voltage at Maximum Power VMPP: 30.3 V

Current at Maximum Power IMPP: 8.28 A

Open Circuit Voltage VOC: 37.1 V

Short Circuit Current ISC: 8.92 A

Power Tolerance Positive: + 2 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.4 %/°C

Temperature Coefficient of Voc: -0.33 %/°C

Temperature Coefficient of Isc: 0.04 %/°C

Solar Panel Attributes

Weight: 24 kg

Cell Type: Polycrystalline

Cell Count: 60

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: 900 mm

Glass Type: Tempered, Low Iron