Compare Topsky Electronics TP-285M-60 vs FroSun Technology SP-50

Warranty Terms

Output Warranty:

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

Materials Warranty: 25 Years

Panel Performance

Rated Power: 285 Wp

Efficiency: 17.41 %

Voltage at Maximum Power VMPP: 32 V

Current at Maximum Power IMPP: 8.9 A

Open Circuit Voltage VOC: 38.8 V

Short Circuit Current ISC: 9.51 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.4 %/°C

Temperature Coefficient of Voc: -0.29 %/°C

Temperature Coefficient of Isc: 0.048 %/°C

Solar Panel Attributes

Weight: 18 kg

Cell Type: Monocrystalline

Cell Count: 60

Glass Thickness: 3.2 mm

Juntion Box Protection Class: IP 67

Cable Length: 900 mm

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

Warranty Terms

Output Warranty:

10 Years of 80% Output Power

Materials Warranty: 1 Year

Panel Performance

Rated Power: 50 Wp

Efficiency: 17 %

Voltage at Maximum Power VMPP: 17.6 V

Current at Maximum Power IMPP: 2.88 A

Open Circuit Voltage VOC: 21.5 V

Short Circuit Current ISC: 3.1 A

Power Tolerance Positive: + 5 %

Maximum System Voltage: 45 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.38 %/°C

Temperature Coefficient of Voc: -0.27 %/°C

Temperature Coefficient of Isc: 0.05 %/°C

Solar Panel Attributes

Weight: 1.1 kg

Cell Type: Monocrystalline

Cell Count: 32

Glass Thickness: unknown

Juntion Box Protection Class: IP 65

Cable Length: 900 mm

Glass Type: unknown