Compare Solar Panels & Manufacturers

Compare ET Solar Group ET-M660295WW/WB vs Solartech Power SPM030P-WP-N

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

Solartech Power

SPM030P-WP-N

Model: SPM030P-WP-N

Series: SPM030P-WP-N

Manufacturer: Solartech Power

Rated Power: 30 Wp

EnergyPal Solartech Power Solar Panels SPM030P-WP-N SPM030P-WP-N
Warranty Terms

Output Warranty:

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

Materials Warranty: 2 Years


Panel Performance

Rated Power: 30 Wp

Efficiency: 10.9 %

Voltage at Maximum Power VMPP: 33.8 V

Current at Maximum Power IMPP: 0.89 A

Open Circuit Voltage VOC: 41.2 V

Short Circuit Current ISC: 1.03 A

Power Tolerance Positive: + 5 %

Maximum System Voltage: 600 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~90 °C

Temperature Coefficient of Pmax: -0.46 %/°C

Temperature Coefficient of Voc: -0.36 %/°C

Temperature Coefficient of Isc: 0.05 %/°C


Solar Panel Attributes

Weight: 3.5 kg

Cell Type: Polycrystalline

Cell Count: 68

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: unknown

Glass Type: Tempered, High Transmittance, Low Iron