Compare Solar Panels & Manufacturers

Compare ET Solar Group ET-M660280BB vs Sunny Apex Development SA-H140-2

ET Solar Group

ET-M660280BB

Model: ET-M660280BB

Series: ET-M660BB 265-285

Manufacturer: ET Solar Group

Rated Power: 280 Wp

EnergyPal ET Solar Group Solar Panels ET-M660BB 265-285 ET-M660280BB
Warranty Terms

Output Warranty:

25 Years of 81.4% Output Power

Materials Warranty: 10 Years


Panel Performance

Rated Power: 280 Wp

Efficiency: 17.21 %

Voltage at Maximum Power VMPP: 31.01 V

Current at Maximum Power IMPP: 9.03 A

Open Circuit Voltage VOC: 39.26 V

Short Circuit Current ISC: 9.23 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: -0.43 %/°C

Temperature Coefficient of Voc: -0.3 %/°C

Temperature Coefficient of Isc: 0.06 %/°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: SA-H140-2

Series: HOP Series 140W

Manufacturer: Sunny Apex Development

Rated Power: 140 Wp

EnergyPal Sunny Apex Development Solar Panels HOP Series 140W SA-H140-2
Warranty Terms

Output Warranty:

20 Years of 80% Output Power

Materials Warranty: 2 Years


Panel Performance

Rated Power: 140 Wp

Efficiency: 18 %

Voltage at Maximum Power VMPP: 34.5 V

Current at Maximum Power IMPP: 4 A

Open Circuit Voltage VOC: 42.1 V

Short Circuit Current ISC: 4.5 A

Power Tolerance Positive: + 10 %

Maximum System Voltage: 70 V


Solar Panels Thermal Ranges

Operating Temperature Range: unknown

Temperature Coefficient of Pmax: -0.32 %/°C

Temperature Coefficient of Voc: unknown

Temperature Coefficient of Isc: unknown


Solar Panel Attributes

Weight: 9.77 kg

Cell Type: Monocrystalline

Cell Count: 32

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: 900 mm

Glass Type: unknown