Compare SolarTech Universal STUPERCB -B-295 vs Helli Zhanchuang Electronic Technology HL-18W

Warranty Terms

Output Warranty:

unknown

Materials Warranty: 12 Years

Panel Performance

Rated Power: 295 Wp

Efficiency: 18.1 %

Voltage at Maximum Power VMPP: 33.3 V

Current at Maximum Power IMPP: 8.9 A

Open Circuit Voltage VOC: 39.8 V

Short Circuit Current ISC: 9.4 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: -0.370 %/°C

Temperature Coefficient of Voc: -0.280 %/°C

Temperature Coefficient of Isc: 0.043 %/°C

Solar Panel Attributes

Weight: 18 kg

Cell Type: PERC

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: 1000 mm

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

Warranty Terms

Output Warranty:

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

Materials Warranty: 3 Years

Panel Performance

Rated Power: 18 Wp

Efficiency: 10.3 %

Voltage at Maximum Power VMPP: 16.8 V

Current at Maximum Power IMPP: 1.11 A

Open Circuit Voltage VOC: 21 V

Short Circuit Current ISC: 1.22 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: unknown

Cell Type: Monocrystalline

Cell Count: unknown

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: 900 mm

Glass Type: Tempered