Compare Tommatech TT385-72BPM vs Helli Zhanchuang Electronic Technology HL-130W

Warranty Terms

Output Warranty:

12 Years of 90% Output Power, 25 Years of 83.5% Output Power

Materials Warranty: 12 Years

Panel Performance

Rated Power: 385 Wp

Efficiency: 19.75 %

Voltage at Maximum Power VMPP: 40.19 V

Current at Maximum Power IMPP: 9.58 A

Open Circuit Voltage VOC: 46.96 V

Short Circuit Current ISC: 10.29 A

Power Tolerance Positive: + 1.5 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.37 %/°C

Temperature Coefficient of Voc: -0.28 %/°C

Temperature Coefficient of Isc: 0.048 %/°C

Solar Panel Attributes

Weight: 22 kg

Cell Type: Bifacial, PERC

Cell Count: 72

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: unknown

Glass Type: Anti-reflection Coating, Double Glass

Warranty Terms

Output Warranty:

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

Materials Warranty: 3 Years

Panel Performance

Rated Power: 130 Wp

Efficiency: 13.2 %

Voltage at Maximum Power VMPP: 17.2 V

Current at Maximum Power IMPP: 8.02 A

Open Circuit Voltage VOC: 21.6 V

Short Circuit Current ISC: 8.02 A

Power Tolerance Positive: + 10 %

Maximum System Voltage: unknown

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.44 %/°C

Temperature Coefficient of Voc: -0.36 %/°C

Temperature Coefficient of Isc: 0.033 %/°C

Solar Panel Attributes

Weight: 12 kg

Cell Type: Monocrystalline

Cell Count: unknown

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: 900 mm

Glass Type: Tempered