Compare Solar Panels & Manufacturers

Compare United Renewable Energy D2K400H8A vs BJ Power ECS-310P72

Model: D2K400H8A

Series: D2K_H8A / 144 cells

Manufacturer: United Renewable Energy

Rated Power: 400 Wp

EnergyPal United Renewable Energy  Solar Panels D2K_H8A / 144 cells D2K400H8A
Warranty Terms

Output Warranty:

10 Years of 90.7% Output Power, 25 Years of 80.2% Output Power

Materials Warranty: 12 Years


Panel Performance

Rated Power: 400 Wp

Efficiency: 19.68 %

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: + 1.5 %

Maximum System Voltage: 1500 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.367 %/°C

Temperature Coefficient of Voc: -0.32 %/°C

Temperature Coefficient of Isc: 0.107 %/°C


Solar Panel Attributes

Weight: 23.6 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

BJ Power

ECS-310P72

Model: ECS-310P72

Series: EC 300-320P72

Manufacturer: BJ Power

Rated Power: 310 Wp

EnergyPal BJ Power  Solar Panels EC 300-320P72 ECS-310P72
Warranty Terms

Output Warranty:

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

Materials Warranty: 12 Years


Panel Performance

Rated Power: 310 Wp

Efficiency: 16 %

Voltage at Maximum Power VMPP: 36.9 V

Current at Maximum Power IMPP: 8.4 A

Open Circuit Voltage VOC: 45.3 V

Short Circuit Current ISC: 8.86 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~80 °C

Temperature Coefficient of Pmax: -0.4 %/°C

Temperature Coefficient of Voc: -0.31 %/°C

Temperature Coefficient of Isc: 0.04 %/°C


Solar Panel Attributes

Weight: 23 kg

Cell Type: Polycrystalline

Cell Count: 72

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: Tempered, Low Iron