Compare Solar Panels & Manufacturers

Compare Invensun Environmental Sundragon i20P vs Topsky Electronics LR4-72HPH-445M

Model: Sundragon i20P

Series: Sundragon i5P-i100P Premium

Manufacturer: Invensun Environmental

Rated Power: 20 Wp

Warranty Terms

Output Warranty:

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

Materials Warranty: 5 Years


Panel Performance

Rated Power: 20 Wp

Efficiency:

Voltage at Maximum Power VMPP: 17.4 V

Current at Maximum Power IMPP: 1.41 A

Open Circuit Voltage VOC: 21.6 V

Short Circuit Current ISC: 1.15 A

Power Tolerance Positive: + 5 %

Maximum System Voltage: 600 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: unknown

Temperature Coefficient of Voc: unknown

Temperature Coefficient of Isc: unknown


Solar Panel Attributes

Weight: unknown

Cell Type: Polycrystalline

Cell Count: 36

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 65

Cable Length: unknown

Glass Type: Tempered

Topsky Electronics

LR4-72HPH-445M

Model: LR4-72HPH-445M

Series: Longi 435W-450W Mono panel

Manufacturer: Topsky Electronics

Rated Power: 445 Wp

EnergyPal Topsky Electronics Solar Panels Longi 435W-450W Mono panel LR4-72HPH-445M
Warranty Terms

Output Warranty:

12 Years of 90% Output Power, 25 Years of 80.2% Output Power

Materials Warranty: 25 Years


Panel Performance

Rated Power: 445 Wp

Efficiency: 20.5 %

Voltage at Maximum Power VMPP: 41.3 V

Current at Maximum Power IMPP: 10.78 A

Open Circuit Voltage VOC: 48.7 V

Short Circuit Current ISC: 11.53 A

Power Tolerance Positive: + 3 %

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: -0.285 %/°C

Temperature Coefficient of Isc: 0.057 %/°C


Solar Panel Attributes

Weight: 23.5 kg

Cell Type: Monocrystalline

Cell Count: 144

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 68

Cable Length: 400 mm

Glass Type: Tempered, High Transmittance, Low Iron