Compare GZL Solar GZL-4P-12 vs ET Solar ET-M672BH390TW

Warranty Terms

Output Warranty:

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

Materials Warranty: 10 Years

Panel Performance

Rated Power: 4 Wp

Efficiency:

Voltage at Maximum Power VMPP: 6 V

Current at Maximum Power IMPP: 0.66 A

Open Circuit Voltage VOC: 7.2 V

Short Circuit Current ISC: 0.73 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 6 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.44 %/°C

Temperature Coefficient of Voc: -0.3 %/°C

Temperature Coefficient of Isc: 0.04 %/°C

Solar Panel Attributes

Weight: 0.56 kg

Cell Type: Polycrystalline

Cell Count: 12

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: 300 mm

Glass Type: Tempered, High Transmittance, Low Iron

Warranty Terms

Output Warranty:

12 Years of 90% Output Power, 25 Years of 82% Output Power

Materials Warranty: 25 Years

Panel Performance

Rated Power: 390 Wp

Efficiency: 19.05 %

Voltage at Maximum Power VMPP: 41.3 V

Current at Maximum Power IMPP: 9.45 A

Open Circuit Voltage VOC: 49.1 V

Short Circuit Current ISC: 9.96 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1500 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.35 %/°C

Temperature Coefficient of Voc: -0.29 %/°C

Temperature Coefficient of Isc: 0.048 %/°C

Solar Panel Attributes

Weight: 22.5 kg

Cell Type: Monocrystalline

Cell Count: unknown

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: unknown

Glass Type: unknown