Compare Vstar Solarlight VSG-4W vs ET Solar ET-M660310WW

Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown

Panel Performance

Rated Power: 4 Wp

Efficiency:

Voltage at Maximum Power VMPP: 12 V

Current at Maximum Power IMPP: 0.33 A

Open Circuit Voltage VOC: 13.2 V

Short Circuit Current ISC: 0.365 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: unknown

Solar Panels Thermal Ranges

Operating Temperature Range: -45~80 °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: unknown

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: unknown

Warranty Terms

Output Warranty:

12 Years of 95% Output Power, 25 Years of 88% Output Power

Materials Warranty: 25 Years

Panel Performance

Rated Power: 310 Wp

Efficiency: 18.94 %

Voltage at Maximum Power VMPP: 32.98 V

Current at Maximum Power IMPP: 9.4 A

Open Circuit Voltage VOC: 40.75 V

Short Circuit Current ISC: 9.86 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1500 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.42 %/°C

Temperature Coefficient of Voc: -0.30 %/°C

Temperature Coefficient of Isc: 0.05 %/°C

Solar Panel Attributes

Weight: 18.8 kg

Cell Type: Monocrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: unknown

Cable Length: 90 mm

Glass Type: Anti-reflection Coating