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Compare ET Solar Group ET-M660295WW/WB vs Realforce Power RF-275P120

ET Solar Group

ET-M660295WW/WB

Model: ET-M660295WW/WB

Series: ET-M660WW/WB 275-295

Manufacturer: ET Solar Group

Rated Power: 295 Wp

EnergyPal ET Solar Group Solar Panels ET-M660WW/WB 275-295 ET-M660295WW/WB
Warranty Terms

Output Warranty:

25 Years of 81.4% Output Power

Materials Warranty: 10 Years


Panel Performance

Rated Power: 295 Wp

Efficiency: 18.13 %

Voltage at Maximum Power VMPP: 32.35 V

Current at Maximum Power IMPP: 9.12 A

Open Circuit Voltage VOC: 39.78 V

Short Circuit Current ISC: 9.65 A

Power Tolerance Positive: + 1.5 %

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: -0.3 %/°C

Temperature Coefficient of Isc: 0.05 %/°C


Solar Panel Attributes

Weight: 18.5 kg

Cell Type: Monocrystalline

Cell Count: 60

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: unknown

Glass Type: unknown

Model: RF-275P120

Series: RF-P60 275W-285W Half Piece

Manufacturer: Realforce Power

Rated Power: 275 Wp

EnergyPal Realforce Power  Solar Panels RF-P60 275W-285W Half Piece RF-275P120
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: 16.36 %

Voltage at Maximum Power VMPP: 32.08 V

Current at Maximum Power IMPP: 8.58 A

Open Circuit Voltage VOC: 37.92 V

Short Circuit Current ISC: 9.12 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: 19 kg

Cell Type: Polycrystalline

Cell Count: 120

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 900 mm

Glass Type: Tempered