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Drive battery

Discussion in 'Gen 3 Prius Technical Discussion' started by GTO, Jun 28, 2017.

  1. GTO

    GTO New Member

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    Can't find an answer to my concern. How do you how the drive battery is having issues? I just bought 2014 Prius III with 59K and have noticed that when I get into the car the drive battery only shows 2 bars but charges up whiles driving. When I park and return in a couple hours the battery is back to 2 bars again. Is this normal?
     
    #1 GTO, Jun 28, 2017
  2. bisco

    bisco cookie crumbler

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    it can be normal, especially in a very warm climate.
     
    #2 bisco, Jun 28, 2017
  3. Tideland Prius

    Tideland Prius Moderator of the North
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    You mean you park the car with more than 2 bars and it drops to 2 bars when you return? It *can* signify a problem but it depends on where you started. If it was 4, 5, 6 bars, it's a problem. If it's 3 bars to 2, it could just be a rounding error or a recalibration upon start up.
     
    #3 Tideland Prius, Jun 29, 2017
  4. Former Member 68813

    Former Member 68813 Senior Member

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    Maybe car is not turned off?
     
    #4 Former Member 68813, Jun 29, 2017
  5. fotomoto

    fotomoto Senior Member

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    In high heat such as AZ (the OP) or Texas, dropping more than a bar after sitting happens even with a new car/battery.
     
    #5 fotomoto, Jun 29, 2017
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  6. Tideland Prius

    Tideland Prius Moderator of the North
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    Good to know.
     
    #6 Tideland Prius, Jun 29, 2017
  7. fotomoto

    fotomoto Senior Member

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    It happens to me with LiOn chemistry as well.
     
    #7 fotomoto, Jun 29, 2017
  8. Tideland Prius

    Tideland Prius Moderator of the North
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    I find the Li-Ion in the Gen 4 is more eager to cycle through the range of SOC. It'll use it more readily and it will charge it up more easily than the NiMH in the Gen 2 or 3.
     
    #8 Tideland Prius, Jun 29, 2017
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