Compare Dokemo DKM55M vs ILB Helios Group NA290WP72-156/J

Warranty Terms

Output Warranty:

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

Materials Warranty: unknown

Panel Performance

Rated Power: 55 Wp

Efficiency:

Voltage at Maximum Power VMPP: 11.88 V

Current at Maximum Power IMPP: 4.63 A

Open Circuit Voltage VOC: 14.64 V

Short Circuit Current ISC: 5.08 A

Power Tolerance Positive: unknown

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: 5 kg

Cell Type: Monocrystalline

Cell Count: 24

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: unknown

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: 10 Years

Panel Performance

Rated Power: 290 Wp

Efficiency: 14.94 %

Voltage at Maximum Power VMPP: 36.3 V

Current at Maximum Power IMPP: 8 A

Open Circuit Voltage VOC: 43.6 V

Short Circuit Current ISC: 8.98 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: 21.5 kg

Cell Type: Polycrystalline

Cell Count: 72

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 1000 mm

Glass Type: Tempered, Low Iron