Compare Invensun Environmental Sundragon i20P vs Sharp ND-AK275

Warranty Terms

Output Warranty:

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

Materials Warranty: 5 Years

Panel Performance

Rated Power: 20 Wp

Efficiency:

Voltage at Maximum Power VMPP: 17.4 V

Current at Maximum Power IMPP: 1.41 A

Open Circuit Voltage VOC: 21.6 V

Short Circuit Current ISC: 1.15 A

Power Tolerance Positive: + 5 %

Maximum System Voltage: 600 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: unknown

Temperature Coefficient of Voc: unknown

Temperature Coefficient of Isc: unknown

Solar Panel Attributes

Weight: unknown

Cell Type: Polycrystalline

Cell Count: 36

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: unknown

Glass Type: Tempered

Warranty Terms

Output Warranty:

unknown

Materials Warranty: 10 Years

Panel Performance

Rated Power: 275 Wp

Efficiency: 16.9 %

Voltage at Maximum Power VMPP: 31.4 V

Current at Maximum Power IMPP: 8.76 A

Open Circuit Voltage VOC: 38.5 V

Short Circuit Current ISC: 9.38 A

Power Tolerance Positive: + 5 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.41 %/°C

Temperature Coefficient of Voc: -0.32 %/°C

Temperature Coefficient of Isc: 0.055 %/°C

Solar Panel Attributes

Weight: 18.1 kg

Cell Type: Polycrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: unknown

Cable Length: 1000 mm

Glass Type: Tempered, Anti-reflection Coating, High Transmittance, Low Iron