Compare ET Solar Group ET-P660260BB vs Holisolar HL60PB280

Warranty Terms

Output Warranty:

25 Years of 81.9% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 260 Wp

Efficiency: 15.98 %

Voltage at Maximum Power VMPP: 30.59 V

Current at Maximum Power IMPP: 8.5 A

Open Circuit Voltage VOC: 38.16 V

Short Circuit Current ISC: 9.07 A

Power Tolerance Positive: + 2 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.41 %/°C

Temperature Coefficient of Voc: -0.34 %/°C

Temperature Coefficient of Isc: 0.04 %/°C

Solar Panel Attributes

Weight: 18.5 kg

Cell Type: Polycrystalline

Cell Count: 60

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: unknown

Glass Type: unknown

Warranty Terms

Output Warranty:

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

Materials Warranty: 25 Years

Panel Performance

Rated Power: 280 Wp

Efficiency: 16.9 %

Voltage at Maximum Power VMPP: 32.3 V

Current at Maximum Power IMPP: 8.69 A

Open Circuit Voltage VOC: 38.35 V

Short Circuit Current ISC: 9.03 A

Power Tolerance Positive: + 2 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -45~85 °C

Temperature Coefficient of Pmax: -0.389 %/°C

Temperature Coefficient of Voc: -0.32 %/°C

Temperature Coefficient of Isc: 0.051 %/°C

Solar Panel Attributes

Weight: 19.2 kg

Cell Type: Polycrystalline

Cell Count: 120

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 300 mm

Glass Type: Tempered, High Transmittance