Compare Atersa Grupo A-305P vs Wattrom WT 250P17

Warranty Terms

Output Warranty:

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

Materials Warranty: 10 Years

Panel Performance

Rated Power: 305 Wp

Efficiency: 15.78 %

Voltage at Maximum Power VMPP: 36.88 V

Current at Maximum Power IMPP: 8.27 A

Open Circuit Voltage VOC: 45.97 V

Short Circuit Current ISC: 8.78 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: -0.43 %/°C

Temperature Coefficient of Voc: -0.32 %/°C

Temperature Coefficient of Isc: 0.04 %/°C

Solar Panel Attributes

Weight: 22.5 kg

Cell Type: Polycrystalline

Cell Count: 72

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 1200 mm

Glass Type: Tempered, High Transmittance

Warranty Terms

Output Warranty:

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

Materials Warranty: 10 Years

Panel Performance

Rated Power: 254.99 Wp

Efficiency: 16.4 %

Voltage at Maximum Power VMPP: 31.62 V

Current at Maximum Power IMPP: 8.37 A

Open Circuit Voltage VOC: 37.98 V

Short Circuit Current ISC: 8.903 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, Anti-reflection Coating, High Transmittance