Generate a Solar Permit Package for a design using Lightway LW250(29)P1640x990 (250W)

With SolarDesignTool, you can create a design from scratch and generate a full PV permit package in as little as 15 minutes.

This page contains information about the Lightway LW250(29)P1640x990 (250W) solar panel. To compare this to other PV modules, click here.

DC Electrical Characteristics

  • STC Power Rating 250W
  • PTC Power Rating 228.03W 1
  • STC Power per unit of area 14.3W/ft2 (154.0W/m2)
  • Peak Efficiency 15.4%
  • Power Tolerances 0%/+5%
  • Number of Cells 60
  • Nominal Voltage not applicable
  • Imp 8.36A
  • Vmp 29.95V
  • Isc 8.78A
  • Voc 37.8V
  • NOCT 45°C
  • Temp. Coefficient of Isc 0.07%/K
  • Temp. Coefficient of Power -0.42%/K
  • Temp. Coefficient of Voltage -0.122V/K
  • Series Fuse Rating 15A
  • Maximum System Voltage 1000V

Mechanical Characteristics

  • Type Polycrystalline Silicon
  • Output Terminal Type Multicontact Connector Type 4
  • Output Cable Wire Gauge 12 AWG
  • Output Cable Wire Type PV Wire
  • Output Cable Wire Length 35.4in (900mm)
  • Frame Color Clear
  • Backsheet Color White
  • Length 64.6in (1,640mm)
  • Width 39in (990mm)
  • Depth 2in (50mm)
  • Weight 43lb (19.5kg)
  • Installation Method Rack-Mounted

Warranty and Certifications

  • 80% Power Output Warranty Period 25yrs
  • 90% Power Output Warranty Period data not available
  • Workmanship Warranty Period 10yrs
  • UL Fire Classification data not available
  • Compliances data not available
  • CSI Listed No
  • 1. PTC rating calculated using 45°C as the NOCT (Nominal Cell Operating Temperature)

This web page is not the manufacturer's official data sheet and is not endorsed by the manufacturer in any way. For an official data sheet, please go to Lightway's website.