857Sprint / escort

857 sprint

The 857sprint / escort is a self contained tacticlal portable battery pack system designed specifically for the yaesu FT-857D amateur radio. (radio not included) It is designed to accomodate a 4.5 AH NiMh battey and allows your radio to be used totally portable*

(shown above 857-SEB The sprint / escort consists of a complete escort kit plus the sprint battery battery case and side panels)

Patent Pending

*Batteries and chargers are not included and can be purchased through batteryspace.com. see below for more details. Antenna required for portable use.

4.5 AH Battery # 7155.   supplied and purchased through batteryspace.com. link to correct battery here Note: in an effort to ensure the lowest price and freshest batteries. Portable Zero has opted to have customers purchase batteries and chargers directly from batteryspace.com

Charger # 2350.  Supplied and purchased through batteryspace.com. Note: You must choose the type of connector from their drop down menu.. We reccommend Anderson connectors. link to correct charger Here



The 857sprint is manufactured in the USA from the highest quality materials. It is custom designed specifically for the Yaesu FT- 857D

  • 5052 Aluminum Military grade Construction with high quality powder coated finish
  • 21 ounces (less battery)
  • Tactical Design adds functionality and Radio Protection
  • Includes Carrying Strap with mounting positions on front and rear.
  • Choose optional 12v or 115v chargers available from batteryspace.com


Turn Your Yaesu FT-857D into the most versatile radio on the market with the addition of the 857sprint.

  • Turns the 857D into a Totally Portable Radio (battery and antenna reqired)
  • Use it Backpacking, on Vacation or for Emergency Communications
  • Leave it Assembled while in the Shack for fast Grab and Go deployment
  • Installation and Removal is Fast & Easy
  • Operate your radio at up to 20 watts
  • Supports safe transportation of your amateur radio