Billet Proof® “Swiss” OEM Style Battery Box for Harley Davidson Battery #65989-97B - Steel - Belt Style - Comes Flat or Welded - Made In The USA

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This battery box is intended for use with HD Battery part # 65989-97B

Billet Proof Battery Boxes are CNC-machined from 11 gauge steel and individually inspected for quality before shipping. Please don’t hesitate to reach out to us about installation or fitment questions. We make these ourselves and stand by our work so we’re always here to help!


  • Machined from 11 GA HRPO steel and shipped unfinished.
  • This battery box is intended for use with HD Battery part # 65989-97B (see "Fitment" below) using a leather belt or a velcro strap to secure the battery to the box itself.
  • Also offered with a "clamp-style" hold-down instead of a belt.
  • The bottom and back of the battery box have scalloped areas to provide more room for additional mounting options.
  • We offer many different styles (pictured) that feature either the "Clamp" or "Belt" hold-downs.
  • Flat battery boxes are designed to be easily bent by hand and welded.
  • Made in the USA using domestic material.
  • Don’t have a welder?  Let us do it for you for ONLY $10!

Dimensions: (Assembled Battery Box)

  • Internal:  
  • Length             =             6-7/8 "  
  • Width              =             4" 
  • Overall:
  • Length             =             8"
  • Width              =             4-1/4"
  • Height             =             3-1/16" (Front)            4-5/8"(Rear) 


  • Uncoated Steel


  • Swiss


  • HD Battery part # 65989-97B
  • Deka ETX16, ETX16L
  • EarthX Motorsports - ETX24D, ETX36D
  • Odyssey PC625, PC535
  • As well as any battery that fits within the below listed dimensions. 

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  • 5
    Battery box

    Posted by John on 15th Oct 2019

    Dude ! It's heavy duty ! Works perfect for project.