Compare JA Solar Holdings JAM72S09 -380/PR vs Wattrom WT 255P17

Warranty Terms

Output Warranty:

unknown

Materials Warranty: 12 Years

Panel Performance

Rated Power: 380 Wp

Efficiency: 19.3 %

Voltage at Maximum Power VMPP: 39.59 V

Current at Maximum Power IMPP: 9.6 A

Open Circuit Voltage VOC: 48.75 V

Short Circuit Current ISC: 0.12 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: -0.37 %/°C

Temperature Coefficient of Voc: -0.3 %/°C

Temperature Coefficient of Isc: 0.06 %/°C

Solar Panel Attributes

Weight: 22.3 kg

Cell Type: PERC

Cell Count: 72

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 80% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 259.99 Wp

Efficiency: 16.6 %

Voltage at Maximum Power VMPP: 31.8 V

Current at Maximum Power IMPP: 8.428 A

Open Circuit Voltage VOC: 38.1 V

Short Circuit Current ISC: 8.963 A

Power Tolerance Positive: + 1.6 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.397 %/°C

Temperature Coefficient of Voc: -0.3166 %/°C

Temperature Coefficient of Isc: 0.0473 %/°C

Solar Panel Attributes

Weight: 18.1 kg

Cell Type: Polycrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: 1000 mm

Glass Type: Tempered, Low Iron