Compare ET Solar Group ET-M660275BB vs Jolywood Sunwatt JW-D60N-325

Warranty Terms

Output Warranty:

25 Years of 81.4% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 275 Wp

Efficiency: 16.9 %

Voltage at Maximum Power VMPP: 30.97 V

Current at Maximum Power IMPP: 8.88 A

Open Circuit Voltage VOC: 39.08 V

Short Circuit Current ISC: 9.14 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:

30 Years of 87.4% Output Power

Materials Warranty: 12 Years

Panel Performance

Rated Power: 325 Wp

Efficiency: 19.57 %

Voltage at Maximum Power VMPP: 34.7 V

Current at Maximum Power IMPP: 9.39 A

Open Circuit Voltage VOC: 41.4 V

Short Circuit Current ISC: 9.95 A

Power Tolerance Positive: + 1.5 %

Maximum System Voltage: 1500 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.32 %/°C

Temperature Coefficient of Voc: -0.26 %/°C

Temperature Coefficient of Isc: 0.046 %/°C

Solar Panel Attributes

Weight: 25 kg

Cell Type: Bifacial

Cell Count: 60

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: 300 mm

Glass Type: Double Glass