Compare Solar Panels & Manufacturers

Compare SunPower SPR-X21-345 vs Rarlon RL310HP-120

SunPower

SPR-X21-345

Model: SPR-X21-345

Series: X-Series X22-345-360-COM Helix

Manufacturer: SunPower

Rated Power: 345 Wp

EnergyPal SunPower Solar Panels X-Series X22-345-360-COM Helix SPR-X21-345
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

Rarlon

RL310HP-120

Model: RL310HP-120

Series: RL290-310HP-120

Manufacturer: Rarlon

Rated Power: 310 Wp

EnergyPal Rarlon Solar Panels RL290-310HP-120 RL310HP-120
Warranty Terms

Output Warranty:

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

Materials Warranty: 12 Years


Panel Performance

Rated Power: 310 Wp

Efficiency: 18.66 %

Voltage at Maximum Power VMPP: 32.3 V

Current at Maximum Power IMPP: 9.6 A

Open Circuit Voltage VOC: 39.27 V

Short Circuit Current ISC: 10.06 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.39 %/°C

Temperature Coefficient of Voc: -0.29 %/°C

Temperature Coefficient of Isc: 0.05 %/°C


Solar Panel Attributes

Weight: 18.5 kg

Cell Type: Polycrystalline

Cell Count: 120

Glass Thickness: 3.2 mm

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: Tempered