Compare Sunday Energy SDM-20 vs Sunny Power SPM-75SB118

Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown

Panel Performance

Rated Power: 20 Wp

Efficiency: 11.66 %

Voltage at Maximum Power VMPP: 17.5 V

Current at Maximum Power IMPP: 1.14 A

Open Circuit Voltage VOC: 21.6 V

Short Circuit Current ISC: 1.29 A

Power Tolerance Positive: + 3 %

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: 2 kg

Cell Type: Monocrystalline

Cell Count: 36

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: unknown

Glass Type: Tempered

Warranty Terms

Output Warranty:

10 Years of 90% Output Power, 20 Years of 80% Output Power

Materials Warranty: unknown

Panel Performance

Rated Power: 75 Wp

Efficiency:

Voltage at Maximum Power VMPP: 15.47 V

Current at Maximum Power IMPP: 4.85 A

Open Circuit Voltage VOC: 18.56 V

Short Circuit Current ISC: 5.33 A

Power Tolerance Positive: unknown

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.5 %/°C

Temperature Coefficient of Voc: unknown

Temperature Coefficient of Isc: 0.06 %/°C

Solar Panel Attributes

Weight: 7 kg

Cell Type: Polycrystalline

Cell Count: 32

Glass Thickness: unknown

Juntion Box Protection Class: IP 65

Cable Length: unknown

Glass Type: unknown