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What are the smaller bars on the display right above the battery bars

Discussion in 'Gen 2 Prius Main Forum' started by Pioneerscot, Sep 7, 2024 at 5:20 PM.

  1. Pioneerscot

    Pioneerscot Junior Member

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    It almost looks like an over flow if the battery has 100% green bars, it would start filling that little added bar area . I have gotten the green all the way to the top, what happens after that ? I live up in reno, and going down from donner summit towards Sacramento the battery gets 100%
     
    #1 Pioneerscot, Sep 7, 2024 at 5:20 PM
  2. Pioneerscot

    Pioneerscot Junior Member

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    Oh, I have not gotten anything to show in the little area up top even though the battery is 100% full in the lower display area with tons of down hill still to go where no throttle is needed.
     
    #2 Pioneerscot, Sep 7, 2024 at 5:22 PM
  3. Tombukt2

    Tombukt2 Senior Member

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    In every generation two I've owned there's always a white line right under the positive terminal of the battery shape and the energy display I don't care what I do if I charge the car with an external HV charger when the charger says it's full I'll still have that white line on the very top of that battery display like I just said I have four of these cars and they're all the same in that regard which is one of the few things
     
    #3 Tombukt2, Sep 7, 2024 at 6:12 PM
    Pioneerscot likes this.
  4. mr_guy_mann

    mr_guy_mann Senior Member

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    When the hybrid battery gets "full" (8 bars) during a long regenerative decel, the hybrid control ecu just stops charging. You then only have friction brakes or shift gears to B mode for some engine braking.

    Posted via the PriusChat mobile app.
     
    #4 mr_guy_mann, Sep 7, 2024 at 11:43 PM
  5. Pioneerscot

    Pioneerscot Junior Member

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    Hmm, no info on those smaller bars above the 8 ?
     
    #5 Pioneerscot, Sep 8, 2024 at 12:07 AM
  6. KMO

    KMO Senior Member

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    The gauge has 8 bars on a white background. That's inside a graphic representing a grey battery, which includes some cuboids between the terminals. That's the top of the battery, not part of the gauge.
     
    #6 KMO, Sep 8, 2024 at 12:25 AM
  7. dolj

    dolj Senior Member

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    That's not entirely true, once the battery reaches its full level (80% SoC), the ECU does indeed cut charging and regen but it doesn't leave you with only friction brakes. Instead, the ECU replaces regen braking with the equivalent engine braking. If you apply more foot brake pressure the engine braking increases. You need a substantial decent to test this out.
     
    #7 dolj, Sep 8, 2024 at 9:35 AM
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