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Compare SunFuel Technologies SFTI72P 310 vs Qiangsheng QSM-320

Model: SFTI72P 310

Series: SFTI72P (300-345)

Manufacturer: SunFuel Technologies

Rated Power: 310 Wp

EnergyPal SunFuel Technologies Solar Panels SFTI72P (300-345) SFTI72P 310
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

Qiangsheng

QSM-320

Model: QSM-320

Series: QSM6-72/320-335W

Manufacturer: Qiangsheng

Rated Power: 320 Wp

Warranty Terms

Output Warranty:

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

Materials Warranty: 10 Years


Panel Performance

Rated Power: 320 Wp

Efficiency: 16.68 %

Voltage at Maximum Power VMPP: 36.97 V

Current at Maximum Power IMPP: 8.66 A

Open Circuit Voltage VOC: 44.42 V

Short Circuit Current ISC: 9.27 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V


Solar Panels Thermal Ranges

Operating Temperature Range: unknown

Temperature Coefficient of Pmax: -0.42 %/°C

Temperature Coefficient of Voc: -0.34 %/°C

Temperature Coefficient of Isc: 0.045 %/°C


Solar Panel Attributes

Weight: 23 kg

Cell Type: Monocrystalline

Cell Count: 72

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: 1000 mm

Glass Type: Tempered