Compare TTN Electric TTN-M345W-72 vs SunPower SPR-X21-460-COM

Warranty Terms

Output Warranty:

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

Materials Warranty: 10 Years

Panel Performance

Rated Power: 345 Wp

Efficiency: 17.83 %

Voltage at Maximum Power VMPP: 38.17 V

Current at Maximum Power IMPP: 9.04 A

Open Circuit Voltage VOC: 47.33 V

Short Circuit Current ISC: 9.4 A

Power Tolerance Positive: + 1.5 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.42 %/°C

Temperature Coefficient of Voc: -0.34 %/°C

Temperature Coefficient of Isc: 0.05 %/°C

Solar Panel Attributes

Weight: 21.5 kg

Cell Type: Monocrystalline

Cell Count: 72

Glass Thickness: 3.2 mm

Juntion Box Protection Class: unknown

Cable Length: 900 mm

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

Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown

Panel Performance

Rated Power: 460 Wp

Efficiency: 21.3 %

Voltage at Maximum Power VMPP: 77.3 V

Current at Maximum Power IMPP: 5.95 A

Open Circuit Voltage VOC: 90.5 V

Short Circuit Current ISC: 6.39 A

Power Tolerance Positive: + 5 %

Maximum System Voltage: 1000 V

Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.29 %/°C

Temperature Coefficient of Voc: unknown

Temperature Coefficient of Isc: unknown

Solar Panel Attributes

Weight: 25.4 kg

Cell Type: Monocrystalline

Cell Count: 128

Glass Thickness: unknown

Juntion Box Protection Class: IP 65

Cable Length: 1230 mm

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