Compare Solar Panels & Manufacturers

Compare Sunday Energy SDM-135 vs Realforce Power RF-275-P60

Model: SDM-135

Series: SDM-130-145

Manufacturer: Sunday Energy

Rated Power: 135 Wp

EnergyPal Sunday Energy  Solar Panels SDM-130-145 SDM-135
Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown


Panel Performance

Rated Power: 135 Wp

Efficiency: 16.57 %

Voltage at Maximum Power VMPP: 18.05 V

Current at Maximum Power IMPP: 7.48 A

Open Circuit Voltage VOC: 21.65 V

Short Circuit Current ISC: 8.09 A

Power Tolerance Positive: + 4 %

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: -0.336 %/°C

Temperature Coefficient of Isc: 0.042 %/°C


Solar Panel Attributes

Weight: 8.23 kg

Cell Type: Monocrystalline

Cell Count: 36

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: 900 mm

Glass Type: Tempered

Model: RF-275-P60

Series: RF-P60 270W-280W Black Silicon

Manufacturer: Realforce Power

Rated Power: 275 Wp

EnergyPal Realforce Power  Solar Panels RF-P60 270W-280W Black Silicon RF-275-P60
Warranty Terms

Output Warranty:

12 Years of 89.8% Output Power, 25 Years of 80.7% Output Power

Materials Warranty: 12 Years


Panel Performance

Rated Power: 275 Wp

Efficiency: 16.93 %

Voltage at Maximum Power VMPP: 31.98 V

Current at Maximum Power IMPP: 8.61 A

Open Circuit Voltage VOC: 37.98 V

Short Circuit Current ISC: 9.2 A

Power Tolerance Positive: + 2 %

Maximum System Voltage: 1500 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.41 %/°C

Temperature Coefficient of Voc: -0.34 %/°C

Temperature Coefficient of Isc: 0.06 %/°C


Solar Panel Attributes

Weight: 18 kg

Cell Type: Polycrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 900 mm

Glass Type: Tempered