Compare ILB Helios Group NA225WP60-156/J vs Tommatech TT320 72P

Warranty Terms

Output Warranty:

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

Materials Warranty: 10 Years

Panel Performance

Rated Power: 225 Wp

Efficiency: 13.7 %

Voltage at Maximum Power VMPP: 29.5 V

Current at Maximum Power IMPP: 7.63 A

Open Circuit Voltage VOC: 35.4 V

Short Circuit Current ISC: 8.55 A

Power Tolerance Positive: + 5 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.45 %/°C

Temperature Coefficient of Voc: -0.32 %/°C

Temperature Coefficient of Isc: 0.047 %/°C

Solar Panel Attributes

Weight: 19.5 kg

Cell Type: Polycrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 1000 mm

Glass Type: Tempered, Low Iron

Warranty Terms

Output Warranty:

12 Years of 90% Output Power, 25 Years of 83.5% Output Power

Materials Warranty: 12 Years

Panel Performance

Rated Power: 320 Wp

Efficiency: 16.42 %

Voltage at Maximum Power VMPP: 37.7 V

Current at Maximum Power IMPP: 8.49 A

Open Circuit Voltage VOC: 46.4 V

Short Circuit Current ISC: 9.04 A

Power Tolerance Positive: + 1.5 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.38 %/°C

Temperature Coefficient of Voc: -0.31 %/°C

Temperature Coefficient of Isc: 006 %/°C

Solar Panel Attributes

Weight: 22 kg

Cell Type: Polycrystalline

Cell Count: 72

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: 1000 mm

Glass Type: Anti-reflection Coating