Compare Dokemo DKM40P vs Sunday Energy SDM-275

Warranty Terms

Output Warranty:

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

Materials Warranty: unknown

Panel Performance

Rated Power: 40 Wp

Efficiency:

Voltage at Maximum Power VMPP: 13.44 V

Current at Maximum Power IMPP: 2.98 A

Open Circuit Voltage VOC: 16.94 V

Short Circuit Current ISC: 3.25 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: 4.5 kg

Cell Type: Polycrystalline

Cell Count: 28

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: Tempered, High Transmittance, Low Iron

Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown

Panel Performance

Rated Power: 275 Wp

Efficiency: 16.9 %

Voltage at Maximum Power VMPP: 31.7 V

Current at Maximum Power IMPP: 8.68 A

Open Circuit Voltage VOC: 37.8 V

Short Circuit Current ISC: 9.33 A

Power Tolerance Positive: + 2 %

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: -0.346 %/°C

Temperature Coefficient of Isc: 0.065 %/°C

Solar Panel Attributes

Weight: 18 kg

Cell Type: Monocrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 1000 mm

Glass Type: Tempered