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Rated range 394 km=246 miles when new

Discussion in 'Model S: Battery & Charging' started by hiroshiy, Jan 6, 2015.

  1. hiroshiy

    hiroshiy Supporting Member

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    I have received my car in Japan on September 2014 and after a few weeks I decided to range charge with 80A wall connector. What I got was only 394 km or 246 miles of range, with firmware 5.12 (101.6.7). Yes I know Tesla has strange build numbers on Japanese cars and they are not updating our cars, but I think it's irrelevant.

    Is this normal to have this range when new? Last week I got 390 km = 243 miles. I only had 3 or 4 times of range charging, other times I charge to 70%-90% daily. The garages at home and work are warm even in winter (underground).
     
  2. Afdyce

    Afdyce Member

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    Mine gets 244 miles on a full range charge
     
  3. AmpedRealtor

    AmpedRealtor Well-Known Member

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    Switch to ideal mile units (controls/settings/units). What is that number? That is a better way to determine battery capacity because rated range does some strange calculations.
     
  4. gaswalla

    gaswalla P4201/85/airsusp/pano/19i

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    A new battery should have a minimum of 265 rated miles, and often will have around 270.
    Can you check the battery label (raise car if possible, and look at battery behind front passenger wheel).
    post a pic or report back the number and letter. Would be interesting to find out if this is actually an old battery
     
  5. hiroshiy

    hiroshiy Supporting Member

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    @Afdyce: thanks. Is your battery new? In your profile you seemed to receive the car last year??

    @AmpedRealtor: will try that this weekend.

    @gaswalla: will check the label tomorrow.
     
  6. mknox

    mknox Well-Known Member

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    When my car was new, I got 265 Rated Miles exactly on a Range Charge. Did one yesterday (at about 40,000 miles and 22 months in) and got 245 Rated Miles.
     
  7. hiroshiy

    hiroshiy Supporting Member

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    Japanese cars and possibly European cars have Rated and Typical, no Ideal.

    Today I charged to 90%, and got 436km Japanese rated, which is 272 miles. Probably if I range charge, it will be 300 miles. So as I guessed before, American Ideal is Japanese Rated.

    On the other hand, when I switched to Typical, at 90% I got 348km, which is 217 miles and when extrapolated to 100% it would be 241 miles.

    From this result, American Rated might be different from Japanese Typical, so my battery may be just fine because Japanese rated at 90% was 436km.
     
  8. Mario Kadastik

    Mario Kadastik Active Member

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    Yes, the EU and JP have Rated (similar to US Ideal, but different Wh/km as it's NEDC) and Typical (similar to US Rated). When I charge to 90% I get 348,x (the X varies a bit from day to day). However when I range charge to 100% I get around 388-396km. You have to multiple times charge to 100% and drive a substantial amount of the battery as well as let the car sit at 100% to make sure it balances out the pack (only visible at next charge what you gain). After a couple of such charges I've gone in summer from 388 to 402km.
     
  9. hiroshiy

    hiroshiy Supporting Member

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    #9 hiroshiy, Jan 9, 2015
    Last edited: Jan 9, 2015
    Hi Mario,
    Re; EU/JP Rated:
    I'm becoming confident that this is same as US Ideal. My 90% JP Rated was 436km/272miles, so 100% is 303miles, same as US Ideal.

    The question is EU/JP Typical - my JP Typical was 348-351km at 90% (217-219miles). My JP Typical at 100% was approx 389-394km (243-246miles). This seems to match yours, but doesn't match US Rated numbers (265miles at 100%). EU/JP Typical seems to be 7% lower than US Rated. This makes me believe that:

    US Ideal, EU/JP Rated = 250Wh/mile, 156.25Wh/km
    US Rated = 300Wh/km, 187.5Wh/km
    EU/JP Typical = 320Wh/km, 200Wh/km

    What do you think?
     

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