Prius 2004 batteries keep dying after fixing

Discussion in 'Gen 2 Prius Technical Discussion' started by Chea-San, Jun 12, 2017.

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  1. Chea-San

    Chea-San New Member

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    I own a prius 2004 for awhile and I noticed that my batteries keeps dying after not using for 3-4 days in a row. I fixed it for 3 times already and still have the same problem. Any input on that. Thank you in advance.
     
    #1 Chea-San, Jun 12, 2017
  2. uart

    uart Senior Member

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    Perhaps whatever you're doing to "fix" it is not working. How are you fixing it?
     
    #2 uart, Jun 12, 2017
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  3. bisco

    bisco cookie crumbler

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    welcome!
    time for replacement, methinks.
     
    #3 bisco, Jun 12, 2017
  4. Sam Spade

    Sam Spade Senior Member

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    And which batteries exactly.....the small 12 V one or the big hybrid one ??

    Either way, if the battery is still the original one, it is now about 13 years old and needs to be replaced.
     
    #4 Sam Spade, Jun 12, 2017
  5. Chea-San

    Chea-San New Member

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    Thank you for all the input. The history of the car: We used to change the whole pack of batteries, but then it broke down again because we didn't use for about a week or so in a row. Then we had the mechanic checked and changed only the slots that had less than 16 vol. And it worked fine again until I stop using for 3-4 days in a row. We have changed 4 slots for four times already.

    Should I change the whole pack again? Will batteries pack for version 2006/2007 fit with 2004 series? And is there anyway to maintenance the hybrid car like mine?

    Thank you :)
     
    #5 Chea-San, Jun 14, 2017
  6. Chea-San

    Chea-San New Member

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    Location:
    Cambodia
    Vehicle:
    2004 Prius
    Model:
    N/A
    Thank you for all the input. The history of the car: We used to change the whole pack of batteries, but then it broke down again because we didn't use for about a week or so in a row. Then we had the mechanic checked and changed only the slots that had less than 16 vol. And it worked fine again until I stop using for 3-4 days in a row. We have changed 4 slots for four times already.

    Should I change the whole pack again? Will batteries pack for version 2006/2007 fit with 2004 series? And is there anyway to maintenance the hybrid car like mine?

    Thank you :)
     
    #6 Chea-San, Jun 14, 2017
  7. bisco

    bisco cookie crumbler

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    here's the problem; you either have to put in a brand new pack from toyota, or just keep fixing these low quality replacements. it's your choice, low cost, or quality.

    yes, any pack from 2004-2009 will work.
     
    #7 bisco, Jun 15, 2017
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