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Compare ET Solar Group ET-M648BB 220 vs Foshan Good Horse Technology SY-200M

ET Solar Group

ET-M648BB 220

Model: ET-M648BB 220

Series: ET-M648BB 215-230

Manufacturer: ET Solar Group

Rated Power: 220 Wp

EnergyPal ET Solar Group Solar Panels ET-M648BB 215-230 ET-M648BB 220
Warranty Terms

Output Warranty:

25 Years of 81.4% Output Power

Materials Warranty: 10 Years


Panel Performance

Rated Power: 220 Wp

Efficiency: 16.75 %

Voltage at Maximum Power VMPP: 25.21 V

Current at Maximum Power IMPP: 8.73 A

Open Circuit Voltage VOC: 31.26 V

Short Circuit Current ISC: 9.14 A

Power Tolerance Positive: + 2 %

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: 15 kg

Cell Type: Monocrystalline

Cell Count: 48

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: unknown

Glass Type: unknown

Model: SY-200M

Series: SY-200-210M

Manufacturer: Foshan Good Horse Technology

Rated Power: 200 Wp

EnergyPal Foshan Good Horse Technology  Solar Panels SY-200-210M SY-200M
Warranty Terms

Output Warranty:

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

Materials Warranty: 10 Years


Panel Performance

Rated Power: 200 Wp

Efficiency: 15.7 %

Voltage at Maximum Power VMPP: 37.2 V

Current at Maximum Power IMPP: 5.38 A

Open Circuit Voltage VOC: 46.2 V

Short Circuit Current ISC: 5.64 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.47 %/°C

Temperature Coefficient of Voc: -0.34 %/°C

Temperature Coefficient of Isc: 0.06 %/°C


Solar Panel Attributes

Weight: 14.5 kg

Cell Type: Monocrystalline

Cell Count: 72

Glass Thickness: unknown

Juntion Box Protection Class: IP 65

Cable Length: unknown

Glass Type: Tempered