Compare Sollatek SP135PS vs Engcotec HG-290S

Warranty Terms

Output Warranty:

unknown

Materials Warranty: 5 Years

Panel Performance

Rated Power: 135 Wp

Efficiency:

Voltage at Maximum Power VMPP: 17.4 V

Current at Maximum Power IMPP: 7.76 A

Open Circuit Voltage VOC: 21.9 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: -0.5 %/°C

Temperature Coefficient of Voc: unknown

Temperature Coefficient of Isc: 0.07 %/°C

Solar Panel Attributes

Weight: 12 kg

Cell Type: Polycrystalline

Cell Count: 36

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: 750 mm

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: 290 Wp

Efficiency: 14.9 %

Voltage at Maximum Power VMPP: 36.9 V

Current at Maximum Power IMPP: 7.86 A

Open Circuit Voltage VOC: 44.9 V

Short Circuit Current ISC: 8.41 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.490 %/°C

Temperature Coefficient of Voc: unknown

Temperature Coefficient of Isc: 0.050 %/°C

Solar Panel Attributes

Weight: 23.6 kg

Cell Type: Monocrystalline

Cell Count: 72

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: 1000 mm

Glass Type: Tempered, Low Iron