Compare Baoding Billion Power Technology BP-M140 vs Energy Research Institute ER-70FM

Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown

Panel Performance

Rated Power: 140 Wp

Efficiency: 14 %

Voltage at Maximum Power VMPP: 36 V

Current at Maximum Power IMPP: 3.89 A

Open Circuit Voltage VOC: 44.6 V

Short Circuit Current ISC: 4.15 A

Power Tolerance Positive: + 5 %

Maximum System Voltage: 600 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.45 %/°C

Temperature Coefficient of Voc: -0.37 %/°C

Temperature Coefficient of Isc: 0.06 %/°C

Solar Panel Attributes

Weight: 9.16 kg

Cell Type: Polycrystalline

Cell Count: unknown

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: unknown

Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown

Panel Performance

Rated Power: 70 Wp

Efficiency:

Voltage at Maximum Power VMPP: 25.89 V

Current at Maximum Power IMPP: 3.37 A

Open Circuit Voltage VOC: 22 V

Short Circuit Current ISC: 3.18 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 150 V

Solar Panels Thermal Ranges

Operating Temperature Range: unknown

Temperature Coefficient of Pmax: -0.38 %/°C

Temperature Coefficient of Voc: -0.27 %/°C

Temperature Coefficient of Isc: 0.05 %/°C

Solar Panel Attributes

Weight: 1.5 kg

Cell Type: Monocrystalline

Cell Count: 40

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: unknown