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replace hv pack with ford escape NIMH cells

Discussion in 'Gen 2 Prius Technical Discussion' started by 2005pluginhybrid, May 20, 2019.

  1. 2005pluginhybrid

    Joined:
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    I am considering replacing my stock pack with a Ford escape hybrid pack, or 2.
    I read on here about spoofing the sense lines with a series of 1k resistors to the sense lines.
    the prius uses NIMH cells configured as 6 cells at 1.2 v per module, with 28 modules = nominal 201.6 volts.
    the escape uses NIMH too. configured as 5 cells at 1.2 v per module.
    This would work out to 33.6 modules, unfortunately not an even number of modules.
    I am thinking of trying using 34 modules which would be a nominal 204 volts.
    Since the Pius doesn't use the full range of power, I hope this is close enough.

    I will manually wire out the sense leads to start with and occasionally verify the cells are balanced.
    The escape has connections at 6 volt points as opposed to 7.2 for readings

    I like the ford escape cells, because every pack I have opened have virtually no corrosion.

    If I am missing something here, or if anyone has a link to an easy way to monitor the new pack, let me know.

    I have some experience with the arduino
     
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  2. bisco

    bisco cookie crumbler

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    sounds like you're all over it. please keep us posted and all the best!(y)

    ps, i would love to see two packs installed.
     
  3. Dxta

    Dxta Senior Member

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    So any updates on your install?
     
  4. bisco

    bisco cookie crumbler

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    do we ever?:rolleyes:
     
  5. bisco

    bisco cookie crumbler

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    it all sounds so easy when you're lying awake at 3 in the morning...
     
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