Compare Voltech Engineers Voltech-250 vs Cell Solar Energy CSM390-144

Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown

Panel Performance

Rated Power: 250 Wp

Efficiency: 15.4 %

Voltage at Maximum Power VMPP: 30 V

Current at Maximum Power IMPP: 8.2 A

Open Circuit Voltage VOC: 36 V

Short Circuit Current ISC: 8.8 A

Power Tolerance Positive: unknown

Maximum System Voltage: unknown

Solar Panels Thermal Ranges

Operating Temperature Range: unknown

Temperature Coefficient of Pmax: unknown

Temperature Coefficient of Voc: unknown

Temperature Coefficient of Isc: unknown

Solar Panel Attributes

Weight: unknown

Cell Type: Polycrystalline

Cell Count: 60

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: unknown

Warranty Terms

Output Warranty:

12 Years of 90% Output Power, 30 Years of 83.1% Output Power

Materials Warranty: 15 Years

Panel Performance

Rated Power: 390 Wp

Efficiency: 19.05 %

Voltage at Maximum Power VMPP: 39.62 V

Current at Maximum Power IMPP: 9.84 A

Open Circuit Voltage VOC: 48.14 V

Short Circuit Current ISC: 10.18 A

Power Tolerance Positive: unknown

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: -0.29 %/°C

Temperature Coefficient of Isc: 0.05 %/°C

Solar Panel Attributes

Weight: 23.5 kg

Cell Type: PERC, Bifacial

Cell Count: 144

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 68

Cable Length: unknown

Glass Type: Anti-reflection Coating, High Transmittance