Compare SunPower SPR-X21-345 vs Sunny Power SPM-22SB308

Warranty Terms

Output Warranty:

unknown

Materials Warranty: 25 Years

Panel Performance

Rated Power: 345 Wp

Efficiency: 21.2 %

Voltage at Maximum Power VMPP: 57.3 V

Current at Maximum Power IMPP: 6.02 A

Open Circuit Voltage VOC: 68.2 V

Short Circuit Current ISC: 6.39 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, 20 Years of 80% Output Power

Materials Warranty: unknown

Panel Performance

Rated Power: 22 Wp

Efficiency:

Voltage at Maximum Power VMPP: 17.4 V

Current at Maximum Power IMPP: 1.26 A

Open Circuit Voltage VOC: 21.6 V

Short Circuit Current ISC: 1.39 A

Power Tolerance Positive: unknown

Maximum System Voltage: 700 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.5 %/°C

Temperature Coefficient of Voc: unknown

Temperature Coefficient of Isc: 0.06 %/°C

Solar Panel Attributes

Weight: 2.5 kg

Cell Type: Monocrystalline

Cell Count: 36

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: unknown