Compare ET Solar Group ET-P648205WW/WB vs Tommatech TT330 72P

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:

12 Years of 90% Output Power, 25 Years of 83.5% Output Power

Materials Warranty: 12 Years

Panel Performance

Rated Power: 330 Wp

Efficiency: 16.93 %

Voltage at Maximum Power VMPP: 38.1 V

Current at Maximum Power IMPP: 8.67 A

Open Circuit Voltage VOC: 47.3 V

Short Circuit Current ISC: 9.24 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: -0.38 %/°C

Temperature Coefficient of Voc: -0.31 %/°C

Temperature Coefficient of Isc: 006 %/°C

Solar Panel Attributes

Weight: 22 kg

Cell Type: Polycrystalline

Cell Count: 72

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: 1000 mm

Glass Type: Anti-reflection Coating