Compare GZL Solar GZL-4P-12 vs Bruk-Bet BEM-325

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:

10 Years of 91.7% Output Power, 25 Years of 83% Output Power

Materials Warranty: 12 Years

Panel Performance

Rated Power: 325 Wp

Efficiency: 19.42 %

Voltage at Maximum Power VMPP: 33.4 V

Current at Maximum Power IMPP: 9.75 A

Open Circuit Voltage VOC: 40.8 V

Short Circuit Current ISC: 10.28 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: -0.39 %/°C

Temperature Coefficient of Voc: -0.30 %/°C

Temperature Coefficient of Isc: 0.027 %/°C

Solar Panel Attributes

Weight: 19 kg

Cell Type: Monocrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 1100 mm

Glass Type: Tempered, Anti-reflection Coating