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Battery is big disappointment

Discussion in 'Model 3: Battery & Charging' started by azred, Jul 28, 2017.

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  1. alseTrick

    alseTrick Active Member

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    That wouldn't seem to make any financial sense for Tesla.
     
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  2. jelloslug

    jelloslug Active Member

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    The voltage is not the same between the different sizes.
     
  3. jgillispie

    jgillispie Member

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    I thought it would be 5-7.5 but I also thought it was going to be a 60-75kwh.
     
  4. alseTrick

    alseTrick Active Member

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    But driving 75mph+ with the AC on?
     
  5. dhanson865

    dhanson865 Active Member

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    Not just doubtful, totally disproved by the two vehicle weights given.

    • Curb weight:
      • 3549 lbs. (Model 3)
      • 3814 lbs. (Model 3 Long Range)
    • Weight distribution:
      • 47% front, 53% rear (Model 3)
      • 48% front, 52% rear (Model 3 Long Range)
     
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  6. Trancela

    Trancela Member

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    This may be an issue with the 215 mi T3. There may not be enough cells to generate the power needed for a 4 sec 0-60. And then the motor needs also to be bigger and the power connection fatter. It is more than just the inverter.
     
  7. electracity

    electracity Active Member

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    Yes, that was more my point. Decent highway travel range doing whatever makes you happy. The point behind buying the S/X 90 and 100.
     
  8. Trancela

    Trancela Member

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    The gap between 215 and 310 is just about right. I am more than happy with 215, while others need a 310. The range points are about right.
     
  9. macpacheco

    macpacheco Member

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    Try to drive your gasoline car at 75mph and see what mpg it gets vs the advertised mileage.
    Driving at 75mph will hurt range, EV, Hybrid or fossil car.
    75mph isn't normal speed.
    But the faster you go, the less significant AC off/on will be in your total range.
    I think you will get the advertised range at 55mph with AC on or 60mph with AC off. Something like that. 75mph will get 25-30% less range.
    Increasing your speed by 50% about halves your mpg. Same thing for gasoline cars.
    Expect anything else at your own peril. Its pure physics. Car makers wont (ever) use 75mph to calculate range.
     
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  10. Trancela

    Trancela Member

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    Or being the lighter car, the 215 car is 50 kWh -- which is the perfect capacity for a 2nd car.
     
  11. schonelucht

    schonelucht Well-Known Member

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    No absolute battery sizes given??!?
     
  12. electracity

    electracity Active Member

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    Yes, it is too slow.
     
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  13. Trancela

    Trancela Member

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    Not really. If the T3 has 4000 cells (for a capacity of 50 kWh), then it can generate only 100 kW, which is not a lot. The Leaf is at 80 kW, and the i3 at 120 kW. Tesla may run the cells at a higher discharge rate (at the risk of cell damage) and you may get up to 150 kW and not more. 150 kW is not enough to allow 4 sec. 0-60.
     
  14. alseTrick

    alseTrick Active Member

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    I'd be pretty stoked to drive 75mph with AC on and get 250 miles on a mostly full (90%?) charge. It might be good enough for me to upgrade to the larger battery, actually.
     
  15. jelloslug

    jelloslug Active Member

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    AC usage is negligible to the battery consumption.
     
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  16. alseTrick

    alseTrick Active Member

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    I see your location is Brazil. Idk how familiar you are or are not with US Interstate driving. But 75mph is absolutely normal. And driving 55-60mph for efficiency-sake will take you forever to do any long-distance traveling in the US (I know Brazil is a decent sized country, too). Not to mention, the lower the Tesla's state or charge, the quicker it will recharge, so better to drive fast and run the battery down, no?
     
  17. ItsNotAboutTheMoney

    ItsNotAboutTheMoney Well-Known Member

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    It's the modular nature of batteries. The minimum range was probably determined by module size.
     
  18. gjunky

    gjunky Trifecta: Solar and both cars are EVs

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  19. ItsNotAboutTheMoney

    ItsNotAboutTheMoney Well-Known Member

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    Uh 75mph isn't normal for me, since I stick to speed limits and I live in 70mph country, but I can assure you that 75mph is very normal in lots of places.
     
  20. ItsNotAboutTheMoney

    ItsNotAboutTheMoney Well-Known Member

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    I'd have liked something in between, but it really wouldn't be possible without complicating battery production.
     

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