Compare Tommatech TT330 60PM vs Viki Sun Technology VK-GS-4.5W

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: 330 Wp

Efficiency: 19.65 %

Voltage at Maximum Power VMPP: 34.5 V

Current at Maximum Power IMPP: 9.59 A

Open Circuit Voltage VOC: 40.2 V

Short Circuit Current ISC: 10.1 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: -0.37 %/°C

Temperature Coefficient of Voc: -0.28 %/°C

Temperature Coefficient of Isc: 0.048 %/°C

Solar Panel Attributes

Weight: 18 kg

Cell Type: PERC

Cell Count: 60

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: 1000 mm

Glass Type: Anti-reflection Coating

Warranty Terms

Output Warranty:

unknown

Materials Warranty: 25 Years

Panel Performance

Rated Power: 4.5 Wp

Efficiency:

Voltage at Maximum Power VMPP: 17 V

Current at Maximum Power IMPP: 0.265 A

Open Circuit Voltage VOC: 18.5 V

Short Circuit Current ISC: unknown

Power Tolerance Positive: unknown

Maximum System Voltage: unknown

Solar Panels Thermal Ranges

Operating Temperature Range: unknown

Temperature Coefficient of Pmax: unknown

Temperature Coefficient of Voc: unknown

Temperature Coefficient of Isc: unknown

Solar Panel Attributes

Weight: unknown

Cell Type: Monocrystalline

Cell Count: unknown

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: Tempered