Compare Solar Panels & Manufacturers

Compare Powerwell Solar Energy BW-SM80P vs Zenrenewables cM 245

Model: BW-SM80P

Series: BW-SM75-80P18

Manufacturer: Powerwell Solar Energy

Rated Power: 80 Wp

Warranty Terms

Output Warranty:

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

Materials Warranty: unknown


Panel Performance

Rated Power: 80 Wp

Efficiency: 15.64 %

Voltage at Maximum Power VMPP: 18 V

Current at Maximum Power IMPP: 4.44 A

Open Circuit Voltage VOC: 21.6 V

Short Circuit Current ISC: 4.88 A

Power Tolerance Positive: unknown

Maximum System Voltage: 750 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~90 °C

Temperature Coefficient of Pmax: -0.5 %/°C

Temperature Coefficient of Voc: -0.34 %/°C

Temperature Coefficient of Isc: 0.05 %/°C


Solar Panel Attributes

Weight: 6 kg

Cell Type: Polycrystalline

Cell Count: 36

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: unknown

Model: cM 245

Series: cM 245-250 Black

Manufacturer: Zenrenewables

Rated Power: 252 Wp

EnergyPal Zenrenewables Solar Panels cM 245-250 Black cM 245
Warranty Terms

Output Warranty:

25 Years of 82% Output Power

Materials Warranty: 12 Years


Panel Performance

Rated Power: 252 Wp

Efficiency: 15.05 %

Voltage at Maximum Power VMPP: 31.19 V

Current at Maximum Power IMPP: 7.97 A

Open Circuit Voltage VOC: 38.15 V

Short Circuit Current ISC: 8.5 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V


Solar Panels Thermal Ranges

Operating Temperature Range: unknown

Temperature Coefficient of Pmax: -0.44 %/°C

Temperature Coefficient of Voc: -0.34 %/°C

Temperature Coefficient of Isc: 0.059 %/°C


Solar Panel Attributes

Weight: 19.6 kg

Cell Type: Polycrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: unknown

Cable Length: 1000 mm

Glass Type: unknown