Compare Kootatu Tech MM 55 vs ILB Helios Group NA255WP60-156/J

Warranty Terms

Output Warranty:

10 Years of 90% Output Power

Materials Warranty: unknown

Panel Performance

Rated Power: 55 Wp

Efficiency: 13.42 %

Voltage at Maximum Power VMPP: 19.4 V

Current at Maximum Power IMPP: 2.71 A

Open Circuit Voltage VOC: 24.91 V

Short Circuit Current ISC: 2.96 A

Power Tolerance Positive: + 5 %

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: 6 kg

Cell Type: Monocrystalline

Cell Count: 40

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: unknown

Glass Type: Tempered, Low Iron

Warranty Terms

Output Warranty:

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

Materials Warranty: 10 Years

Panel Performance

Rated Power: 255 Wp

Efficiency: 15.6 %

Voltage at Maximum Power VMPP: 30.72 V

Current at Maximum Power IMPP: 8.3 A

Open Circuit Voltage VOC: 36.96 V

Short Circuit Current ISC: 9.35 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