Compare China Blue Solar BS-11 vs Helli Zhanchuang Electronic Technology HL-20W

Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown

Panel Performance

Rated Power: 0.665 Wp

Efficiency:

Voltage at Maximum Power VMPP: 7 V

Current at Maximum Power IMPP: 0.095 A

Open Circuit Voltage VOC: unknown

Short Circuit Current ISC: unknown

Power Tolerance Positive: + 5 %

Maximum System Voltage: unknown

Solar Panels Thermal Ranges

Operating Temperature Range: -40~90 °C

Temperature Coefficient of Pmax: unknown

Temperature Coefficient of Voc: unknown

Temperature Coefficient of Isc: unknown

Solar Panel Attributes

Weight: unknown

Cell Type: Thin film(a-Si)

Cell Count: unknown

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: unknown

Glass Type: unknown

Warranty Terms

Output Warranty:

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

Materials Warranty: 3 Years

Panel Performance

Rated Power: 20 Wp

Efficiency: 11.4 %

Voltage at Maximum Power VMPP: 16.8 V

Current at Maximum Power IMPP: 1.19 A

Open Circuit Voltage VOC: 21 V

Short Circuit Current ISC: 1.36 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