TMC is an independent, primarily volunteer organization that relies on ad revenue to cover its operating costs. Please consider whitelisting TMC on your ad blocker or making a Paypal contribution here: paypal.me/SupportTMC

To plug in or not? That is the question.

Discussion in 'Model S: Battery & Charging' started by Panacea, May 22, 2013.

  1. Panacea

    Panacea TSLA Shareholder/Believer

    Joined:
    Feb 9, 2013
    Messages:
    231
    Location:
    NJ
    I'll be away for about a week. The car will be left in the garage. I was thinking about leaving my car plugged in with the 110 adaptor and not the normal NEMA 14-50 adaptor. Then, I read a post about the melting adaptors and now I am second guessing myself. Any words of advice would be most appreciated.
     
  2. stevezzzz

    stevezzzz R;SigS;P85D;SigX

    Joined:
    Nov 13, 2009
    Messages:
    6,062
    Location:
    Colorado
    Leave it plugged into the 14-50. The car will wake up once a day and top off the charge, and it's more efficient using 240V/40amp than it is at 110/15.

    For only a week away you could choose to leave it unplugged, but why? If your return was delayed for some reason, you could wind up worrying about the state of the battery pack when you'd probably have plenty to worry about already.
     
  3. EarlyAdopter

    EarlyAdopter Active Member

    Joined:
    Jun 24, 2012
    Messages:
    2,497
    Location:
    Redmond, WA
    Leave it plugged in to 120v. The efficiency difference is minimal, 85% vs 87%, and you don't have to worry about a melting 240v adapter while you're gone.
     
  4. FlasherZ

    FlasherZ Sig Model S + Sig Model X + Model 3 Resv

    Joined:
    Jun 21, 2012
    Messages:
    7,019
    The 14-50 adapter's melting is likely due to sustained heat. I'm not sure you'd have enough sustained charge time to melt the adapter.
     
  5. Lightning Jeff

    Lightning Jeff Model S #4214

    Joined:
    Dec 22, 2009
    Messages:
    56
    Location:
    Duvall, WA
    Exactly. You won't be generating any significant, sustained heat during this time. Everything cools down once serious charging is done. I took a two-week trip days after getting my S. I left it plugged into the 14-50 the whole time (and checked my garage security cam several times daily to check on my new baby and flash its lights). No issues.
     
  6. JerryNycom

    JerryNycom Member

    Joined:
    Nov 6, 2012
    Messages:
    503
    Location:
    New York
    I did the exact same thing!
     
  7. mknox

    mknox Well-Known Member

    Joined:
    Aug 7, 2012
    Messages:
    8,556
    Location:
    Toronto, ON
    Rather than swapping out the adapter and plugging into a different 120 v outlet, why not just dial the amperage down to, say, 12 amps while you're away.
     
  8. montgom626

    montgom626 Active Member

    Joined:
    Dec 15, 2012
    Messages:
    1,339
    Location:
    USA
    Always plug in. 110 or 240, makes no difference. If you are worried, use 110V.
     
  9. Raffy.Roma

    Raffy.Roma Active Member

    Joined:
    Jul 22, 2012
    Messages:
    3,209
    Location:
    Rome (Italy)
    Maybe that when the sleep mode will be implemented on Model S the Shakespearean question starting this thread will be solved without any need to plug in when the car is left in the garage for a long period?
     

Share This Page