Compare Tata Power Solar Systems TP291 vs ILB Helios Group EN235-PS

Warranty Terms

Output Warranty:

unknown

Materials Warranty: 10 Years

Panel Performance

Rated Power: 291 Wp

Efficiency: 15 %

Voltage at Maximum Power VMPP: 36.4 V

Current at Maximum Power IMPP: 8.01 A

Open Circuit Voltage VOC: 44.6 V

Short Circuit Current ISC: 8.51 A

Power Tolerance Positive: + 1 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.42 %/°C

Temperature Coefficient of Voc: -0.2931 %/°C

Temperature Coefficient of Isc: 0.058 %/°C

Solar Panel Attributes

Weight: 24 kg

Cell Type: Polycrystalline

Cell Count: 72

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: unknown

Glass Type: Anti-reflection Coating

Warranty Terms

Output Warranty:

10 Years of 92% Output Power, 25 Years of 85% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 235 Wp

Efficiency: 16.1 %

Voltage at Maximum Power VMPP: 29.87 V

Current at Maximum Power IMPP: 7.86 A

Open Circuit Voltage VOC: 37.2 V

Short Circuit Current ISC: 8.38 A

Power Tolerance Positive: + 5 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.451 %/°C

Temperature Coefficient of Voc: -0.296 %/°C

Temperature Coefficient of Isc: 0.072 %/°C

Solar Panel Attributes

Weight: 20 kg

Cell Type: Polycrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: 900 mm

Glass Type: Tempered, Low Iron