Compare Sunday Energy SDM-340 vs Helli Zhanchuang Electronic Technology HL-230W

Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown

Panel Performance

Rated Power: 340 Wp

Efficiency: 17.62 %

Voltage at Maximum Power VMPP: 38.59 V

Current at Maximum Power IMPP: 8.82 A

Open Circuit Voltage VOC: 46.22 V

Short Circuit Current ISC: 9.33 A

Power Tolerance Positive: + 2 %

Maximum System Voltage: 1500 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.42 %/°C

Temperature Coefficient of Voc: -0.346 %/°C

Temperature Coefficient of Isc: 0.065 %/°C

Solar Panel Attributes

Weight: 22 kg

Cell Type: Monocrystalline

Cell Count: 72

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 900 mm

Glass Type: Tempered

Warranty Terms

Output Warranty:

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

Materials Warranty: 3 Years

Panel Performance

Rated Power: 230 Wp

Efficiency: 14 %

Voltage at Maximum Power VMPP: 29.9 V

Current at Maximum Power IMPP: 7.69 A

Open Circuit Voltage VOC: 37.2 V

Short Circuit Current ISC: 8.24 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: 20 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