Compare Helli Zhanchuang Electronic Technology HL-30W vs Access Solar ASL-290Wp

Warranty Terms

Output Warranty:

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

Materials Warranty: 3 Years

Panel Performance

Rated Power: 30 Wp

Efficiency: 11.7 %

Voltage at Maximum Power VMPP: 17.2 V

Current at Maximum Power IMPP: 1.74 A

Open Circuit Voltage VOC: 21.6 V

Short Circuit Current ISC: 1.93 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: 4 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

Warranty Terms

Output Warranty:

10 Years of 90% Output Power

Materials Warranty: 12 Years

Panel Performance

Rated Power: 290 Wp

Efficiency: 14.78 %

Voltage at Maximum Power VMPP: 36.29 V

Current at Maximum Power IMPP: 7.99 A

Open Circuit Voltage VOC: 44.43 V

Short Circuit Current ISC: 8.55 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.408 %/°C

Temperature Coefficient of Voc: -0.292 %/°C

Temperature Coefficient of Isc: 0.045 %/°C

Solar Panel Attributes

Weight: 24 kg

Cell Type: Polycrystalline

Cell Count: 72

Glass Thickness: unknown

Juntion Box Protection Class: unknown

Cable Length: 1000 mm

Glass Type: Tempered, High Transmittance, Low Iron