Compare Greenergy Power 270P60 vs SunPower SPR-M420-H-AC

Warranty Terms

Output Warranty:

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

Materials Warranty: 12 Years

Panel Performance

Rated Power: 270 Wp

Efficiency: 16.5 %

Voltage at Maximum Power VMPP: 31.1 V

Current at Maximum Power IMPP: 8.68 A

Open Circuit Voltage VOC: 38.17 V

Short Circuit Current ISC: 9.09 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~80 °C

Temperature Coefficient of Pmax: -0.4 %/°C

Temperature Coefficient of Voc: -0.31 %/°C

Temperature Coefficient of Isc: 0.04 %/°C

Solar Panel Attributes

Weight: 20 kg

Cell Type: Polycrystalline

Cell Count: 60

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: unknown

Glass Type: Tempered, Low Iron

Warranty Terms

Output Warranty:

25-Year limited power warranty, 25-year limited product warranty

Materials Warranty: unknown

Panel Performance

Rated Power: 420 Wp

Efficiency: 21.7 %

Voltage at Maximum Power VMPP: 369 VA

Current at Maximum Power IMPP: 1.77 Arms

Open Circuit Voltage VOC: unknown

Short Circuit Current ISC: 4.82 Arms

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: 21.8 kg

Cell Type: 66 Maxeon Gen 6

Cell Count: unknown

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: High-transmission tempered glass with anti-reflective coating