Compare Tihein THM 290P-72 vs Wisebiz WB-250M

Warranty Terms

Output Warranty:

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

Materials Warranty: 5 Years

Panel Performance

Rated Power: 290 Wp

Efficiency: 14.9 %

Voltage at Maximum Power VMPP: 36 V

Current at Maximum Power IMPP: 8.05 A

Open Circuit Voltage VOC: 44.6 V

Short Circuit Current ISC: 8.61 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.47 %/°C

Temperature Coefficient of Voc: -0.33 %/°C

Temperature Coefficient of Isc: 0.036 %/°C

Solar Panel Attributes

Weight: 22.5 kg

Cell Type: Polycrystalline

Cell Count: 72

Glass Thickness: 3.2 mm

Juntion Box Protection Class: unknown

Cable Length: 900 mm

Glass Type: Tempered, High Transmittance

Warranty Terms

Output Warranty:

25 Years of 80% Output Power

Materials Warranty: 10 Years

Panel Performance

Rated Power: 250 Wp

Efficiency: 14.78 %

Voltage at Maximum Power VMPP: 48.6 V

Current at Maximum Power IMPP: 5.15 A

Open Circuit Voltage VOC: 60.3 V

Short Circuit Current ISC: 5.45 A

Power Tolerance Positive: + 3 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.41 %/°C

Temperature Coefficient of Voc: -0.34 %/°C

Temperature Coefficient of Isc: 0.02 %/°C

Solar Panel Attributes

Weight: 20.5 kg

Cell Type: Monocrystalline

Cell Count: 96

Glass Thickness: 4 mm

Juntion Box Protection Class: IP 65

Cable Length: unknown

Glass Type: unknown