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Loaner gets 240 plus miles with a 90%/standard charge

Discussion in 'Model S: Battery & Charging' started by artsci, Nov 13, 2015.

  1. artsci

    artsci Sponsor

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    While my P85 is being serviced in Rockville, MD I have a loaner. Did a standard charge (90%) on it last night and found 242 miles of range in the morning. My P85 gets about 215 miles of range on a 90 percent charge and only gets 240 plus on a range charge.I've never seen anything close to that range on a standard charge. Whatever's in the loaner battery I want some:)
     
  2. Zythryn

    Zythryn MS 70D, MX 90D

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    I doubt much of it is the battery.
    More likely it is 19" vs 21" tires? Or a non performance loaner? Or even charging behavior differences?
     
  3. artsci

    artsci Sponsor

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    The tires make no difference in the range calculation. And it's a P85 just like mine.
     
  4. Griffinlair

    Griffinlair Member

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    I'm not sure if there is a difference with the P85, but my 85D gets 242 at 90%.
     
  5. Zextraterrestrial

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    I saw 239 at 90% when I got a replacement battery
     
  6. Todd Burch

    Todd Burch Electron Pilot

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    Two possibilities here:

    If it was an 85D, as mentioned that's a possible range at 90%.

    If it was a RWD car, my P85 got 241 mi @ 90% when the battery was new. We've heard through the grapevine that Tesla can reset the range calculation algorithm on their loaner cars, and often does. If that was done, it's possible you were seeing the range as a fresh estimate, before the algorithm inevitably drifts downward with the value.
     
  7. artsci

    artsci Sponsor

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    That's very likely what's happening. It's a P85 not a D and it has about 13,000 miles on it. It's probably max charged frequently and run down to low levels, which I understand makes the calculation better.
     
  8. apacheguy

    apacheguy Sig 255, VIN 320

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    237-239 is a known "new" value for rated range. 242-244 used to be what I would get on a standard charge (93%, IIRC).
     
  9. Doug Darby

    Doug Darby Member

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    At 90% my 85D has 240-243 everyday.
     
  10. CA_Fabien

    CA_Fabien Member

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    Was it in "ideal Miles" or "optimal Miles"?
     
  11. AMPUP

    AMPUP Member

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    I believe its Rated vs Ideal.

    When I first got my P85+ I would see 313 Ideal miles, I now see about 12-15 less ideal on a range charge. My current 90% 'rated' miles is @ 230 (i'm at 25K ODO miles on a 2013 P85+)
     
  12. scottreds2k

    scottreds2k Member

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    My 85D gets 238 @ 90% with no range charges @ almost 8000 miles. I typically recharge nightly at no less than 100 miles.
     
  13. mknox

    mknox Well-Known Member

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    When my S85 was new, I got 265 on the nose @100% and about 240 @90%. With 33 months and 62,000 miles, I am seeing numbers very close to yours (245/217 miles)
     
  14. cytranic

    cytranic Member

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    The service center resets the algo everytime a loaner is used. It will always show the highest rated mileage.
     
  15. AmpedRealtor

    AmpedRealtor Active Member

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    ^^ This is what my service center does, according to one of the service advisors. They would not share their method with me nor would they reset my car's algorithm like they do the loaners. Oh well.
     
  16. taurusking

    taurusking Member

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    That's weird why would not they share the method to reset car's algorithm...:confused:
     
  17. GasKilla

    GasKilla No Gas Know Peace

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    If the algorithm is based on your driving habits having owners reset their algorithm all the time would probably result in some people getting stranded, so I can see why they wouldn't give out that information.
     
  18. AmpedRealtor

    AmpedRealtor Active Member

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    Maybe because they don't want someone running out of charge thinking they had 265 miles when they really had 255 miles. I doubt anyone drives a loaner that far. I've tried pulling fuses to the MCU and BMS, that did not change anything. I take what I hear with a grain of salt, but if this is true, it seems like a closely guarded secret.
     
  19. CHG-ON

    CHG-ON Still in love after all these miles

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    Artsci,

    I am much more concerned that your range is so low. That's an awfully big loss. Have you queried Tesla on this? My P85+ gets 232 at 90%. 236 when new.

     
  20. clarkbariowa

    clarkbariowa Member

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    My P85 gets 221 miles @ 85%. I wish they would just let you select the percentage instead of guessing with the visual slider on the screen or in the app.
     

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