Compare ET Solar Group ET-M648BB 215 vs Tapan Solar Energy DS 40

Warranty Terms

Output Warranty:

25 Years of 81.4% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 215 Wp

Efficiency: 16.37 %

Voltage at Maximum Power VMPP: 25.12 V

Current at Maximum Power IMPP: 8.56 A

Open Circuit Voltage VOC: 30.94 V

Short Circuit Current ISC: 9.12 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

Warranty Terms

Output Warranty:

unknown

Materials Warranty: 5 Years

Panel Performance

Rated Power: 40 Wp

Efficiency: 13.07 %

Voltage at Maximum Power VMPP: 17.84 V

Current at Maximum Power IMPP: 2.25 A

Open Circuit Voltage VOC: 21.95 V

Short Circuit Current ISC: 2.44 A

Power Tolerance Positive: unknown

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: unknown

Temperature Coefficient of Voc: -0.35 %/°C

Temperature Coefficient of Isc: 0.5 %/°C

Solar Panel Attributes

Weight: 3.8 kg

Cell Type: Polycrystalline

Cell Count: 36

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: unknown

Glass Type: Anti-reflection Coating