Compare Invensun Environmental Sundragon i55SP vs Suntech Power STP390S-A72/Vnh

Warranty Terms

Output Warranty:

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

Materials Warranty: 5 Years

Panel Performance

Rated Power: 55 Wp

Efficiency:

Voltage at Maximum Power VMPP: 17.4 V

Current at Maximum Power IMPP: 3.16 A

Open Circuit Voltage VOC: 21.7 V

Short Circuit Current ISC: 3.4 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:

25 Years of 80.7% Output Power

Materials Warranty: 12 Years

Panel Performance

Rated Power: 390 Wp

Efficiency: 19.4 %

Voltage at Maximum Power VMPP: 41.4 V

Current at Maximum Power IMPP: 9.43 A

Open Circuit Voltage VOC: 48.6 V

Short Circuit Current ISC: 10.33 A

Power Tolerance Positive: + 1.5 %

Maximum System Voltage: 1500 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.37 %/°C

Temperature Coefficient of Voc: -0.304 %/°C

Temperature Coefficient of Isc: 0.05 %/°C

Solar Panel Attributes

Weight: 22.5 kg

Cell Type: Monocrystalline

Cell Count: 144

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 68

Cable Length: 1400 mm

Glass Type: Tempered