Long term 4 months parking and battery

Discussion in 'Prime Main Forum (2017-Current)' started by Sid786, May 1, 2021.

  1. Sid786

    Sid786 Active Member

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    My car is sitting for 2 months and I will be returning back in another 2 months. I left the car charged, so if I start the cooling function remotely, then will this recharge the battery? Mainly trying to avoid a discharged battery upon my return.
     
  2. mr88cet

    mr88cet Senior Member

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    The traction battery should not be left fully charged for long periods of time! Much better to leave the battery charged to around 40%ish for long spans of time (BU-702: How to Store Batteries – Battery University).

    Generally, if and when you want to charge up to full, you should do so right before you hop in and drive.

    What “cooling function” are you referring to?
     
    #2 mr88cet, May 1, 2021
    Last edited: May 1, 2021
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  3. bisco

    bisco cookie crumbler

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    can you clarify?

    do not leave the car plugged in, that will kill the 12 volt battery.

    drive the car in ev until the engine comes on. after the engine shuts off, park the car and put a maintainer on the 12 volt battery so it will start when you return. remote a/c will not help in any way, shape or form.
     
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  4. jerrymildred

    jerrymildred Senior Member

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    Oh my. Let us know what happens when you get back. Looks like you will have a totally dead 12V and the traction battery will have lost some measurable but unpredictable months of it's useful life. Can you call someone who can get in to drive off that full charge on the traction battery and then put the 12V on a battery maintainer?
     
  5. mr88cet

    mr88cet Senior Member

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    Other than, possibly, providing a way to remotely reduce the way-too-high charge in the traction battery. That might kill the 12V battery first though…
     
  6. mr88cet

    mr88cet Senior Member

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    Other than, possibly, providing a way to remotely reduce the way-too-high charge in the traction battery. That might kill the 12V battery first though…
     
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