Compare Changtian New Energy Engineering CH-HS275M vs Solarwit WH120P-320

Warranty Terms

Output Warranty:

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

Materials Warranty: 10 Years

Panel Performance

Rated Power: 275 Wp

Efficiency: 16.8 %

Voltage at Maximum Power VMPP: 31.6 V

Current at Maximum Power IMPP: 8.7 A

Open Circuit Voltage VOC: 38.5 V

Short Circuit Current ISC: 9.4 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.41 %/°C

Temperature Coefficient of Voc: -0.29 %/°C

Temperature Coefficient of Isc: 0.04 %/°C

Solar Panel Attributes

Weight: 19 kg

Cell Type: Monocrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 900 mm

Glass Type: Tempered, Anti-reflection Coating, High Transmittance, Low Iron

Warranty Terms

Output Warranty:

25 Years of 85% Output Power

Materials Warranty: 12 Years

Panel Performance

Rated Power: 320 Wp

Efficiency: 18.9 %

Voltage at Maximum Power VMPP: 33.89 V

Current at Maximum Power IMPP: 9.44 A

Open Circuit Voltage VOC: 40.7 V

Short Circuit Current ISC: 9.82 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: -0.38 %/°C

Temperature Coefficient of Voc: -0.31 %/°C

Temperature Coefficient of Isc: 0.048 %/°C

Solar Panel Attributes

Weight: 18.6 kg

Cell Type: PERC

Cell Count: unknown

Glass Thickness: 3.2 mm

Juntion Box Protection Class: unknown

Cable Length: 300 mm

Glass Type: unknown