Compare Yuyao Zhiwang ZW-2.5W vs Empire New Energy EMP-72P1-4 305

Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown

Panel Performance

Rated Power: 2.5 Wp

Efficiency:

Voltage at Maximum Power VMPP: 6 V

Current at Maximum Power IMPP: 0.45 A

Open Circuit Voltage VOC: 6.8 V

Short Circuit Current ISC: 0.45 A

Power Tolerance Positive: unknown

Maximum System Voltage: unknown

Solar Panels Thermal Ranges

Operating Temperature Range: unknown

Temperature Coefficient of Pmax: unknown

Temperature Coefficient of Voc: unknown

Temperature Coefficient of Isc: unknown

Solar Panel Attributes

Weight: 0.35 kg

Cell Type: Polycrystalline

Cell Count: 12

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: Tempered, High Transmittance

Warranty Terms

Output Warranty:

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

Materials Warranty: 10 Years

Panel Performance

Rated Power: 305 Wp

Efficiency: 15.72 %

Voltage at Maximum Power VMPP: 36.71 V

Current at Maximum Power IMPP: 8.31 A

Open Circuit Voltage VOC: 45.35 V

Short Circuit Current ISC: 8.79 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: -0.41 %/°C

Temperature Coefficient of Voc: -0.33 %/°C

Temperature Coefficient of Isc: 0.058 %/°C

Solar Panel Attributes

Weight: 22 kg

Cell Type: Polycrystalline

Cell Count: 72

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 1200 mm

Glass Type: Tempered, Anti-reflection Coating, High Transmittance