Compare ET Solar Group ET-M660270BB vs Bruk-Bet BEM-380 Full Black

Warranty Terms

Output Warranty:

25 Years of 81.4% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 270 Wp

Efficiency: 16.6 %

Voltage at Maximum Power VMPP: 30.83 V

Current at Maximum Power IMPP: 8.76 A

Open Circuit Voltage VOC: 38.68 V

Short Circuit Current ISC: 9.12 A

Power Tolerance Positive: + 2 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.43 %/°C

Temperature Coefficient of Voc: -0.3 %/°C

Temperature Coefficient of Isc: 0.06 %/°C

Solar Panel Attributes

Weight: 18.5 kg

Cell Type: Monocrystalline

Cell Count: 60

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: unknown

Glass Type: unknown

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: 380 Wp

Efficiency: 19 %

Voltage at Maximum Power VMPP: 40.26 V

Current at Maximum Power IMPP: 9.44 A

Open Circuit Voltage VOC: 48.35 V

Short Circuit Current ISC: 9.91 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: 22 kg

Cell Type: Monocrystalline

Cell Count: 72

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: unknown

Glass Type: Tempered, Anti-reflection Coating