Compare Jolywood Sunwatt JW-D60N-315 vs Engcotec EJT220

Warranty Terms

Output Warranty:

25 Years of 89.7% Output Power, 30 Years of 89.4% Output Power

Materials Warranty: 15 Years

Panel Performance

Rated Power: 315 Wp

Efficiency: 19.2 %

Voltage at Maximum Power VMPP: 32.9 V

Current at Maximum Power IMPP: 9.59 A

Open Circuit Voltage VOC: 39.8 V

Short Circuit Current ISC: 10.1 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: -0.38 %/°C

Temperature Coefficient of Voc: -0.3 %/°C

Temperature Coefficient of Isc: 0.048 %/°C

Solar Panel Attributes

Weight: 22.5 kg

Cell Type: Bifacial

Cell Count: 60

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: 300 mm

Glass Type: unknown

Warranty Terms

Output Warranty:

12 Years of 90% Output Power, 25 Years of 80% Output Power

Materials Warranty: 5 Years

Panel Performance

Rated Power: 220 Wp

Efficiency: 13.4 %

Voltage at Maximum Power VMPP: 30 V

Current at Maximum Power IMPP: 7.34 A

Open Circuit Voltage VOC: 36.6 V

Short Circuit Current ISC: 8.1 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: unknown

Temperature Coefficient of Voc: -0.34 %/°C

Temperature Coefficient of Isc: unknown

Solar Panel Attributes

Weight: 18 kg

Cell Type: Polycrystalline

Cell Count: 60

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: 900 mm

Glass Type: Tempered, Low Iron