Compare Ruihuang Energy SS290-72M vs Sonali Energees SS 305

Warranty Terms

Output Warranty:

25 Years of 80% Output Power

Materials Warranty: unknown

Panel Performance

Rated Power: 290 Wp

Efficiency: 15.1 %

Voltage at Maximum Power VMPP: 36.3 V

Current at Maximum Power IMPP: 8 A

Open Circuit Voltage VOC: 44.7 V

Short Circuit Current ISC: 8.5 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: -0.4677 %/°C

Temperature Coefficient of Voc: -0.3374 %/°C

Temperature Coefficient of Isc: 0.0492 %/°C

Solar Panel Attributes

Weight: 28 kg

Cell Type: Monocrystalline

Cell Count: 72

Glass Thickness: 4 mm

Juntion Box Protection Class: unknown

Cable Length: 900 mm

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

Warranty Terms

Output Warranty:

10 Years of 90% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 305 Wp

Efficiency:

Voltage at Maximum Power VMPP: 36.95 V

Current at Maximum Power IMPP: 8.25 A

Open Circuit Voltage VOC: 45.14 V

Short Circuit Current ISC: 8.71 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.439 %/°C

Temperature Coefficient of Voc: -0.331 %/°C

Temperature Coefficient of Isc: 0.065 %/°C

Solar Panel Attributes

Weight: 21 kg

Cell Type: Polycrystalline

Cell Count: 72

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: 900 mm

Glass Type: Tempered