Compare Solar Panels & Manufacturers

Compare SunPower SPR-X20-445-COM vs Tommatech TT285 60P

SunPower

SPR-X20-445-COM

Model: SPR-X20-445-COM

Series: X-Series X21-445-470-COM

Manufacturer: SunPower

Rated Power: 445 Wp

EnergyPal SunPower Solar Panels X-Series X21-445-470-COM SPR-X20-445-COM
Warranty Terms

Output Warranty:

unknown

Materials Warranty: unknown


Panel Performance

Rated Power: 445 Wp

Efficiency: 20.6 %

Voltage at Maximum Power VMPP: 76.5 V

Current at Maximum Power IMPP: 5.82 A

Open Circuit Voltage VOC: 90 V

Short Circuit Current ISC: 6.24 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

Tommatech

TT285 60P

Model: TT285 60P

Series: TT270-285-60P

Manufacturer: Tommatech

Rated Power: 285 Wp

EnergyPal Tommatech Solar Panels TT270-285-60P TT285 60P
Warranty Terms

Output Warranty:

12 Years of 90% Output Power, 25 Years of 83.5% Output Power

Materials Warranty: 12 Years


Panel Performance

Rated Power: 285 Wp

Efficiency: 17.38 %

Voltage at Maximum Power VMPP: 31.9 V

Current at Maximum Power IMPP: 8.95 A

Open Circuit Voltage VOC: 39.1 V

Short Circuit Current ISC: 9.47 A

Power Tolerance Positive: + 2 %

Maximum System Voltage: 1000 V


Solar Panels Thermal Ranges

Operating Temperature Range: -40~85 °C

Temperature Coefficient of Pmax: -0.38 %/°C

Temperature Coefficient of Voc: -0.31 %/°C

Temperature Coefficient of Isc: 0.06 %/°C


Solar Panel Attributes

Weight: 18 kg

Cell Type: Polycrystalline

Cell Count: 60

Glass Thickness: unknown

Juntion Box Protection Class: IP 67

Cable Length: 1000 mm

Glass Type: Anti-reflection Coating