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Compare Topsky Electronics LR4-72-HBD 435 vs United Renewable Energy D7K400H8A

Topsky Electronics

LR4-72-HBD 435

Model: LR4-72-HBD 435

Series: Longi LR4-72-HBD 430-445 Bifacial

Manufacturer: Topsky Electronics

Rated Power: 435 Wp

EnergyPal Topsky Electronics Solar Panels Longi LR4-72-HBD 430-445 Bifacial LR4-72-HBD 435
Warranty Terms

Output Warranty:

12 Years of 90% Output Power, 30 Years of 80% Output Power

Materials Warranty: 25 Years


Panel Performance

Rated Power: 435 Wp

Efficiency: 18.7 %

Voltage at Maximum Power VMPP: 40.8 V

Current at Maximum Power IMPP: 10.3 A

Open Circuit Voltage VOC: 49.2 V

Short Circuit Current ISC: 10.96 A

Power Tolerance Positive: unknown

Maximum System Voltage: 1500 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.37 %/°C

Temperature Coefficient of Voc: -0.3 %/°C

Temperature Coefficient of Isc: 0.06 %/°C


Solar Panel Attributes

Weight: 29.5 kg

Cell Type: Monocrystalline

Cell Count: 144

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 68

Cable Length: 400 mm

Glass Type: Tempered, Anti-reflection Coating, Double Glass

Model: D7K400H8A

Series: D7K_H8A / 144 cells 385W-405W

Manufacturer: United Renewable Energy

Rated Power: 400 Wp

EnergyPal United Renewable Energy  Solar Panels D7K_H8A / 144 cells 385W-405W D7K400H8A
Warranty Terms

Output Warranty:

10 Years of 91.2% Output Power, 25 Years of 80.7% Output Power

Materials Warranty: 12 Years


Panel Performance

Rated Power: 400 Wp

Efficiency: 20.16 %

Voltage at Maximum Power VMPP: 40.2 V

Current at Maximum Power IMPP: 9.95 A

Open Circuit Voltage VOC: 48.46 V

Short Circuit Current ISC: 10.55 A

Power Tolerance Positive: unknown

Maximum System Voltage: 1500 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.39 %/°C

Temperature Coefficient of Voc: -0.3 %/°C

Temperature Coefficient of Isc: 0.07 %/°C


Solar Panel Attributes

Weight: 23 kg

Cell Type: Monocrystalline

Cell Count: 144

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 68

Cable Length: unknown

Glass Type: Tempered, Anti-reflection Coating