Compare SunFuel Technologies SFTI72P 310 vs Atsun ATP-220(235W)

Warranty Terms

Output Warranty:

25 Years of 80% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 310 Wp

Efficiency: 15.94 %

Voltage at Maximum Power VMPP: 37.9 V

Current at Maximum Power IMPP: 8.18 A

Open Circuit Voltage VOC: 44.6 V

Short Circuit Current ISC: 8.73 A

Power Tolerance Positive: + 3 %

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: 0.03 %/°C

Solar Panel Attributes

Weight: 22 kg

Cell Type: Polycrystalline

Cell Count: 72

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: unknown

Glass Type: Tempered, High Transmittance, Low Iron

Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown

Panel Performance

Rated Power: 235 Wp

Efficiency: 14.4 %

Voltage at Maximum Power VMPP: 30.5 V

Current at Maximum Power IMPP: 7.7 A

Open Circuit Voltage VOC: 37.5 V

Short Circuit Current ISC: 8.7 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.554 %/°C

Temperature Coefficient of Voc: -0.389 %/°C

Temperature Coefficient of Isc: 0.057 %/°C

Solar Panel Attributes

Weight: 20 kg

Cell Type: Polycrystalline

Cell Count: 60

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: 900 mm

Glass Type: unknown