Compare Hershey-Power HS120-MB-300 vs Tianma TM-D60-60-285

Warranty Terms

Output Warranty:

10 Years of 91.5% Output Power, 30 Years of 84.8% Output Power

Materials Warranty: 12 Years

Panel Performance

Rated Power: 300 Wp

Efficiency: 17.8 %

Voltage at Maximum Power VMPP: 33 V

Current at Maximum Power IMPP: 9.1 A

Open Circuit Voltage VOC: 39.4 V

Short Circuit Current ISC: 9.7 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: -0.29 %/°C

Temperature Coefficient of Isc: 0.055 %/°C

Solar Panel Attributes

Weight: 22 kg

Cell Type: Bifacial

Cell Count: 120

Glass Thickness: unknown

Juntion Box Protection Class: IP 68

Cable Length: unknown

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

Warranty Terms

Output Warranty:

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

Materials Warranty: 10 Years

Panel Performance

Rated Power: 285 Wp

Efficiency: 17.2 %

Voltage at Maximum Power VMPP: 31.85 V

Current at Maximum Power IMPP: 8.95 A

Open Circuit Voltage VOC: 38.59 V

Short Circuit Current ISC: 9.59 A

Power Tolerance Positive: + 2 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.41 %/°C

Temperature Coefficient of Voc: -0.32 %/°C

Temperature Coefficient of Isc: 0.05 %/°C

Solar Panel Attributes

Weight: 23.5 kg

Cell Type: Monocrystalline

Cell Count: 60

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: 900 mm

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