Compare Voltech Engineers Voltech-250 vs Qixin Solar Electrical Appliance 135

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:

unknown

Materials Warranty: unknown

Panel Performance

Rated Power: 135 Wp

Efficiency: 13.61 %

Voltage at Maximum Power VMPP: 18.1 V

Current at Maximum Power IMPP: 7.46 A

Open Circuit Voltage VOC: 22.02 V

Short Circuit Current ISC: 7.98 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: unknown

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.47 %/°C

Temperature Coefficient of Voc: -0.38 %/°C

Temperature Coefficient of Isc: 0.04 %/°C

Solar Panel Attributes

Weight: 11.6 kg

Cell Type: Monocrystalline

Cell Count: 36

Glass Thickness: 3.2 mm

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: unknown