Compare Deshmukh Solar Energy DS-290 vs Topsky Electronics TSM-DE17(M)II 440w

Warranty Terms

Output Warranty:

unknown

Materials Warranty: 25 Years

Panel Performance

Rated Power: 290 Wp

Efficiency: 15 %

Voltage at Maximum Power VMPP: 36 V

Current at Maximum Power IMPP: 8.1 A

Open Circuit Voltage VOC: 43.2 V

Short Circuit Current ISC: 8.76 A

Power Tolerance Positive: unknown

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.45 %/°C

Temperature Coefficient of Voc: -0.36 %/°C

Temperature Coefficient of Isc: 0.043 %/°C

Solar Panel Attributes

Weight: 28 kg

Cell Type: Polycrystalline

Cell Count: 72

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: 1000 mm

Glass Type: Tempered, High Transmittance, Low Iron

Warranty Terms

Output Warranty:

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

Materials Warranty: unknown

Panel Performance

Rated Power: 440 Wp

Efficiency: 21.1 %

Voltage at Maximum Power VMPP: 40.7 V

Current at Maximum Power IMPP: 10.82 A

Open Circuit Voltage VOC: 49.2 V

Short Circuit Current ISC: 11.39 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1500 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.36 %/°C

Temperature Coefficient of Voc: -0.26 %/°C

Temperature Coefficient of Isc: 0.04 %/°C

Solar Panel Attributes

Weight: 24 kg

Cell Type: Monocrystalline

Cell Count: 144

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 68

Cable Length: 330 mm

Glass Type: Tempered, High Transmittance, Low Iron