Solar Blue BookTM

ET Solar

ET-P660250BB
250 Watt Solar Panels Elite Black Polycrystalline

panel image

Overall Rating

    The ET-P660250BB panel is an Economy Plus panel. While it is a basic model, it also has some qualities of standard panels, and can be a good choice for solar shoppers seeking a bargain.

    Efficiency

      Performance

        Warranties

           

          Solar Panel Manufacturer

          ET Solar Inc.
          (0)  No reviews available
          Country of Manufacture
          • china's Flag

            China

          Solar Panel Aesthetics

          Cell colors

           
           

          Frame colors

           
           

          Backsheet
          colors

           
           

          Physical Characteristics

          Cell type

           

          Polycrystalline

          Cell size

           

          156x156 mm

          Panel
          dimensions

           
           

          Length:
          1640.0 mm

          Width:
          992.0 mm

          Depth:
          35.0 mm

          Cell Quantity

           

          60

          Connector Type

           

          MC4

          PV Product Performance

          Rated Power

           

          250 W

          Efficiency

           

          15.37%

          Power
          Tolerance

           

          0/+5W

          Temperature Coefficient

           

          PMax: -0.41
          Voc: -0.34

          Resiliency

           
          • Snow
          • Wind
          • Hail
          • Fire

          Warranty Specifications

          Output
          Warranty Term

           

          25 year, linear

          Output Decline
          Year 1
          Years 2 to 25

           

           
          2.5%
          0.65%

          Output at End
          of Warranty
          Term

           

          >81.9%

          Materials
          Warranty
          Term

           

          10 years

          Product Certifications

          Certifications received

           
           
          • IEC 61215
          • IEC 61730
          • UL 1703
          • IEC 61215 PERFORMANCE

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