Compare Voltech Engineers Voltech-220 vs Engcotec EJT215

Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown

Panel Performance

Rated Power: 220 Wp

Efficiency: 14.9 %

Voltage at Maximum Power VMPP: 27 V

Current at Maximum Power IMPP: 8.5 A

Open Circuit Voltage VOC: 32 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: 54

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: unknown

Warranty Terms

Output Warranty:

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

Materials Warranty: 5 Years

Panel Performance

Rated Power: 215 Wp

Efficiency: 13.1 %

Voltage at Maximum Power VMPP: 29.8 V

Current at Maximum Power IMPP: 7.2 A

Open Circuit Voltage VOC: 36.4 V

Short Circuit Current ISC: 8 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: unknown

Temperature Coefficient of Voc: -0.34 %/°C

Temperature Coefficient of Isc: unknown

Solar Panel Attributes

Weight: 18 kg

Cell Type: Polycrystalline

Cell Count: 60

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: 900 mm

Glass Type: Tempered, Low Iron