Compare SunPower SPR-X21-335-AC vs Stiebel Eltron TEGREON 270 P

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:

12 Years of 92% Output Power, 25 Years of 80% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 270 Wp

Efficiency: 16.51 %

Voltage at Maximum Power VMPP: 31.29 V

Current at Maximum Power IMPP: 8.7 A

Open Circuit Voltage VOC: 37.99 V

Short Circuit Current ISC: 9.15 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: unknown

Temperature Coefficient of Pmax: -0.42 %/°C

Temperature Coefficient of Voc: -0.32 %/°C

Temperature Coefficient of Isc: 0.044 %/°C

Solar Panel Attributes

Weight: 18.2 kg

Cell Type: Polycrystalline

Cell Count: 60

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: 1000 mm

Glass Type: unknown