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Gen 1 Battery exchanged for Gen 2

Discussion in 'Generation 1 Prius Discussion' started by sickofit, Sep 13, 2014.

  1. sickofit

    sickofit Junior Member

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    Montevallo, AL
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    2003 Prius
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    One
    Has anyone replaced their Gen 1 battery with a complete rebuilt Gen 2 battery pack? If so, have you had any problems since & how long has it been?
     
    #1 sickofit, Sep 13, 2014
  2. jdenenberg

    jdenenberg EE Professor

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    LE AWD-e
    They are not compatible. A Gen1 battery has 38 modules (7.2v each) and a Gen2 battery has 28 modules. The process is to get a matched set of 38 Gen2 or Gen3 modules and put them in your Gen1 hv battery shell.

    JeffD
     
    #2 jdenenberg, Sep 13, 2014
  3. Bill the Engineer

    Bill the Engineer Senior Member

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    There is a supplier/rebuilder in New Jersey who is providing Gen-I refurbished battery packs with Gen-II or Gen-II cells. He claims that they provide greatly improved milage. How well this works I have no idea.

    Bill the Engineer
     
    #3 Bill the Engineer, Sep 13, 2014
  4. slimfrancis

    slimfrancis Member

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    I put 38 gen 2 modules (2x 2008 packs) in a 2001 Prius because it was cheaper than buying a gen 1 pack. Mileage was same at the end of the day. I drove the car for 3 years until the transaxle went on me. 2008/2009 modules will definitely last longer and are superior than gen. 1 modules. With gen. 1 Prius blue book values dropping i'd recommend swapping out your bad/failed modules with good ones for $45 a pop unless you're looking for a project and don't mind spending $1200-1400.
     
    #4 slimfrancis, Sep 13, 2014
    Last edited: Sep 13, 2014
    robert mencl likes this.
  5. sickofit

    sickofit Junior Member

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    Location:
    Montevallo, AL
    Vehicle:
    2003 Prius
    Model:
    One
    The Gen 2 is rebuilt for a Gen 1 with 38 modules, I didn't explain.
     
    #5 sickofit, Sep 14, 2014
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