Compare ET Solar Group ET-P648205WW/WB vs BQ Solartech BQ-400-BMA-BG

Warranty Terms

Output Warranty:

25 Years of 81.9% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 205 Wp

Efficiency: 15.61 %

Voltage at Maximum Power VMPP: 24.35 V

Current at Maximum Power IMPP: 8.42 A

Open Circuit Voltage VOC: 30.31 V

Short Circuit Current ISC: 9.04 A

Power Tolerance Positive: + 2 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.41 %/°C

Temperature Coefficient of Voc: -0.34 %/°C

Temperature Coefficient of Isc: 0.04 %/°C

Solar Panel Attributes

Weight: 15 kg

Cell Type: Polycrystalline

Cell Count: 48

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: unknown

Glass Type: unknown

Warranty Terms

Output Warranty:

30 Years of 83% Output Power

Materials Warranty: 15 Years

Panel Performance

Rated Power: 400 Wp

Efficiency: 19.4 %

Voltage at Maximum Power VMPP: 41.7 V

Current at Maximum Power IMPP: 9.6 A

Open Circuit Voltage VOC: 49.5 V

Short Circuit Current ISC: 10.12 A

Power Tolerance Positive: + 1 %

Maximum System Voltage: 1500 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.36 %/°C

Temperature Coefficient of Voc: -0.28 %/°C

Temperature Coefficient of Isc: 0.05 %/°C

Solar Panel Attributes

Weight: 26.5 kg

Cell Type: PERC, Bifacial

Cell Count: unknown

Glass Thickness: unknown

Juntion Box Protection Class: IP 68

Cable Length: 1200 mm

Glass Type: Anti-reflection Coating, Low Iron