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Model Y SR Battery Size

Discussion in 'Model Y: Battery & Charging' started by aschulz90, Jan 8, 2021.

  1. aschulz90

    aschulz90 Member

    Joined:
    Feb 11, 2016
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    Location:
    Boston, MA
    Any theories on the newly released model Y's battery size? I'm going to guess same as my 2021 M3 SR+ which is 55 new / 53.5 useable upon getting it (less the 2.4-2.5kWh buffer).
     
  2. jcanoe

    jcanoe Active Member

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    Maryland
    That seems about right; 244/326 mile range when SR is compared to the LR Model Y is 75% of LR. 75% of 74kWh is 55.5kWh. At least until the new slightly larger 82kWh battery packs start showing up in the MY.
     
  3. specialgreen

    specialgreen Member

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    Jan 21, 2020
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    Location:
    Minneapolis MN
    I was wondering if the off-menu Tesla SR Y may have the same 78kwh pack as the LR, but software-locked? It would be interesting to compare the charge curve of an SR vs LR. If the SR is software locked, then it would probably charge at peak rate to a higher percentage than the LR. But I'm not finding any Y SR charge curves posted online.
     
  4. pt19713

    pt19713 Member

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    Delaware
    Unlikely based upon the weight differences.
     
  5. DonaldBecker

    DonaldBecker Member

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    Aug 24, 2020
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    Ahh, yes, that's a good place to check.

    AWD-LR and AWD-P: 4,416 lb (2003 kg)
    RWD-SR: 3,920 lb (1,780 kg)

    However there is the confounding factor of the omitted motor.

    I'm guessing that of the 500 lb weight difference, half is for the partially-filled battery modules.
     
  6. jcanoe

    jcanoe Active Member

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    Maryland
    The front drive unit in the Model Y weighs slightly more than 200 lbs; 225 or 235 lbs as I recall reading. The remaining weight difference is attributable to the larger battery pack and the electronics associated with the front drive unit.
     
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