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Compare SpolarPV Technology SP335P6-72 vs BJ Power ECS-305P72

Model: SP335P6-72

Series: SPP6-72 325-345

Manufacturer: SpolarPV Technology

Rated Power: 335 Wp

Warranty Terms

Output Warranty:

12 Years of 90% Output Power, 25 Years of 80.2% Output Power

Materials Warranty: 12 Years


Panel Performance

Rated Power: 335 Wp

Efficiency: 17 %

Voltage at Maximum Power VMPP: 37.45 V

Current at Maximum Power IMPP: 8.95 A

Open Circuit Voltage VOC: 46.1 V

Short Circuit Current ISC: 9.42 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: -0.4 %/°C

Temperature Coefficient of Voc: -0.33 %/°C

Temperature Coefficient of Isc: 0.05 %/°C


Solar Panel Attributes

Weight: 21.5 kg

Cell Type: Polycrystalline

Cell Count: 72

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 900 mm

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

BJ Power

ECS-305P72

Model: ECS-305P72

Series: EC 300-320P72

Manufacturer: BJ Power

Rated Power: 305 Wp

EnergyPal BJ Power  Solar Panels EC 300-320P72 ECS-305P72
Warranty Terms

Output Warranty:

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

Materials Warranty: 12 Years


Panel Performance

Rated Power: 305 Wp

Efficiency: 15.7 %

Voltage at Maximum Power VMPP: 36.4 V

Current at Maximum Power IMPP: 8.38 A

Open Circuit Voltage VOC: 45.1 V

Short Circuit Current ISC: 8.78 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