Compare SunPower SPR-E20-327-COM vs Powerwell Solar Energy BW-SM305M

Warranty Terms

Output Warranty:

25 Years of 92% Output Power

Materials Warranty: unknown

Panel Performance

Rated Power: 327 Wp

Efficiency: 20.1 %

Voltage at Maximum Power VMPP: 54.7 V

Current at Maximum Power IMPP: 5.98 A

Open Circuit Voltage VOC: 64.9 V

Short Circuit Current ISC: 6.46 A

Power Tolerance Positive: + 1.5 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.35 %/°C

Temperature Coefficient of Voc: -0.37 %/°C

Temperature Coefficient of Isc: 0.02 %/°C

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

Materials Warranty: unknown

Panel Performance

Rated Power: 305 Wp

Efficiency: 15.71 %

Voltage at Maximum Power VMPP: 36 V

Current at Maximum Power IMPP: 8.47 A

Open Circuit Voltage VOC: 42.3 V

Short Circuit Current ISC: 9.32 A

Power Tolerance Positive: unknown

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~90 °C

Temperature Coefficient of Pmax: -0.5 %/°C

Temperature Coefficient of Voc: -0.34 %/°C

Temperature Coefficient of Isc: 0.05 %/°C

Solar Panel Attributes

Weight: 21.2 kg

Cell Type: Monocrystalline

Cell Count: 72

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: unknown