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Keep tesla 3 in garage with high and cold weather

Discussion in 'Model 3' started by matt4EV, May 15, 2019.

  1. matt4EV

    matt4EV Member

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    I live in the northeast and my garage can be really hot in the summer (> 90F) and cold in the winter (20-32 F normally). How would this affect the battery to Tesla 3? If it harm it, what can I do to help keep the car in good condition without remodel my garage? My garage is neither insulated nor climate controlled.

    What if I leave the car in the garage for 2-3 months? Should I keep in plugged or not? Will there be any issue?
     
  2. DirtyT3sla

    DirtyT3sla Member

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    Keep it plugged in as much as possible, and set the charge limit to 70% if being unused for long amounts of time (over 2 weeks at a time). 90F isn't really a big deal for the batteries. Neither is the 20F, since outside would be worse. The car should be fine.
     
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  3. derotam

    derotam Member

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    That is not really hot or cold really.

    There is nothing you need to do, you can just follow the "a plugged in Tesla is a happy Tesla" mantra.
     
    • Like x 1
  4. matt4EV

    matt4EV Member

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    Thank you DirtyT3sla and drotram.
     
  5. ngogas

    ngogas Active Member

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    I'm curious, why 70%? Is this a number you pulled out of the air or something related to a parked tesla?
     
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  6. M3BlueGeorgia

    M3BlueGeorgia Member

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    If you park it when 80% to 90% charged, plug it in and set the charge limit to 70%, its unlikely the car will actually need to charge the batteries if you leave if for a few weeks. Any power it needs to temperature-protect the batteries or to check for updates will come from the house's power.

    That would be my take on the "70% theory", but yes 70% is arbitrary and just happens to be the midpoint between 50% and 90%.
     
  7. M109Rider

    M109Rider Member

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    Anytime you aren’t driving it for months at a time, I would recommend setting the charge limit to 50%
    When ready to use it, bump it up.
    Otherwise 70% to 90% is fine.
     
  8. DirtyT3sla

    DirtyT3sla Member

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    I mostly just pulled it out of the air based on prior knowledge, but closer to 50% SoC storage is healthier for the battery. You can also leave it at 50% if you wish, but I don't think the difference would be much. For super long term storage, I do believe you'd see better results storing at 70% instead of 90%, but probably not much of a difference storing at 50% instead of 70%.
     
  9. derotam

    derotam Member

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    Anywhere between 50-70% is what you will find for "long term" storage of Li-Ion batteries. The range narrows a bit between 60-70% when you look at past statements by the current leading Li-Ion experts.
     

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