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

Mobile Connector Bundle Dilemma

Discussion in 'Model S: Battery & Charging' started by iffatall, Jan 24, 2014.

  1. iffatall

    iffatall Member

    Joined:
    Nov 15, 2013
    Messages:
    510
    Location:
    SF Bay Area, CA
    Tesla provides us with only one mobile connector. If we keep it in the car, then we need to open the trunk, take it out, put it back in everyday when we charge in the garage. If we leave it in the garage, plugged into the wall, then we need to make sure we don't forget to put it back in the car while going on a trip.

    So I figured buying the mobile connector bundle accessory may be a good idea, so I can leave one in the garage and have one in the car at all times. But the bundle includes the exact same adapters that come with the car to begin with. I would rather get a bundle with different adapters, may be a 14-30 and a 6-50, for example, instead of the regular 14-50 and 5-15. Since all adapters cost the same, I see no reason for Tesla to now allow such a swap.

    Has anyone else had any similar experience? Also, does anyone feel it is not worth spending the $650 on the bundle in the first place?
    Any comments whatsoever regarding this matter are welcome and appreciated.

    Thanks.
     
  2. MichaelS

    MichaelS Member

    Joined:
    Aug 8, 2012
    Messages:
    226
    Location:
    Hayward CA
    If you talk with the service center, you can order just the UMC without the adapters. Then you can purchase whichever adapter you need.
     
  3. iffatall

    iffatall Member

    Joined:
    Nov 15, 2013
    Messages:
    510
    Location:
    SF Bay Area, CA
    That's a great idea. Do you have any estimate of how much the UMC costs by itself?
     
  4. tomanik

    tomanik Member

    Joined:
    May 30, 2009
    Messages:
    272
    Location:
    Canada
    Have 2, one mounted in the garage using a 14-50 adapter, never needs to be unplugged, the other left in the car for use during travel. Also provides a backup incase anything ever happened to one of the UMC's as we would have a spare while we wait for the other to be replaced/fixed. As for the adapters I'm assuming you will want 1 spare 14-50, but yes the extra 5-15 is a bit of a waste.
     
  5. JohnQ

    JohnQ Active Member

    Joined:
    Jan 1, 2012
    Messages:
    1,585
    Location:
    Redding, CT
    Depends on how often you go on a road trip and to where. I've been on ~12 trips that required destination and/or en route charging in the past 8 months. For all but one I left the UMC hanging in the garage due to sufficient supercharger or local J1772 charging options. For my personal destinations I'm happy that I didn't spring for second UMC. It all depends on where you're going to drive.
     
  6. NigelM

    NigelM Recovering Member

    Joined:
    Apr 3, 2011
    Messages:
    13,257
    Location:
    Sarasota, FL
    I've had my UMC in the trunk for a year or so and never used it once in the wild (I have a HPWC in my garage). All my 'away from home' charging has only needed the J1772 adapter (my car is still a supercharger virgin) and unless you're heading on a road trip I'd really suggest to reconsider whether you need to keep bundling up the charger and packing it in the car.

    Don't forget: Repeatedly plugging and unplugging the 14-50 (assuming that's what you're using in your garage) does require you to keep an eye on the socket wear and tear.
     
  7. TexasEV

    TexasEV Active Member

    Joined:
    Jun 5, 2013
    Messages:
    3,766
    Location:
    Austin, TX
    Leave it plugged in the garage where you charge every night. How hard can it be to remember to take it with you when you go on a trip?
     
  8. MichaelS

    MichaelS Member

    Joined:
    Aug 8, 2012
    Messages:
    226
    Location:
    Hayward CA
    It's been a while but I believe it was around $550. That was around 6 months ago.

     
  9. Jaff

    Jaff Active Member

    Joined:
    Aug 15, 2010
    Messages:
    3,007
    Location:
    Grimsby, Canada
    +1 ...I'd still take it with you on the trip though...sh1t happens, and Murphy would suggest the further from home you are, the greater the chance...you'd end up with "packer's remorse" :wink:

     
  10. Discoducky

    Discoducky Active Member

    Joined:
    Dec 25, 2011
    Messages:
    2,883
    Location:
    Seattle
    I agree as it is the first thing on my list:

    1. UMC and adapters in trunk
    2. Pants
    3. Where are my pants?
     
  11. islandbayy

    islandbayy Active Member

    Joined:
    Feb 25, 2013
    Messages:
    2,015
    Location:
    Greendale, Wisconsin
    $450 from a service center with no adapters or bag.
     
  12. ZBB

    ZBB Emperor

    Joined:
    Feb 27, 2013
    Messages:
    1,415
    Location:
    Scottsdale
    I keep mine in the garage and haven't worried about leaving it behind for road trips.

    Delivery was almost 8 months ago. So far its been unplugged about 7 times:
    4x when taking it in to service (they've asked that I bring it in each time). 3 of those visits were to correct delivery issues (parts came in at different times)
    2x for day trips outside public J1772 range -- although both times I didn't need it as we arrived back home with plenty of remaining range.
    1x for a road trip -- stayed at a hotel with a 14-50 plug, so needed it to charge overnight...

    The reason I don't worry about leaving it behind for road trips is that I will range charge -- and time the charge to end shortly before leaving. Since I have to unplug the car anyway, its not hard to forget it in the garage!

    Oh -- I keep the J1772 adapter in the glove box. I've used it a handful of times when out around town (its handy in an AZ summer to plug the car in and pre-cool the interior before leaving and not worry about using up range...).
     
  13. JPP

    JPP Active Member

    Joined:
    Feb 4, 2013
    Messages:
    1,841
    Location:
    SF Bay area, CA
    FWIW, I leave mine hanging in my garage, and toss it into the storage well in the trunk when I know I will be traveling for an extended distance. I did buy an extra NEMA 14-50 adapter, so that I can leave 1 in the black UMC bag, and 1 always plugged into my garage outlet. This eliminates the insertion-removal cycles that can put excessive wear on a receptacle not engineered for a lot of duty cycles. Yes, this just shifts the wear and tear to the UMC connector, which might be a bit under-engineered, but I would rather have this replaced by TM than have to call my electrician out to replace the NEMA 14-50 if it fails.
     
  14. russman

    russman Member

    Joined:
    Nov 12, 2013
    Messages:
    385
    Location:
    California
    I was told that most place when you charge outside you wouldn't be using the UMC anyways, you'd use their cables. So then it becomes the long trips where there is uncertainty. I was going to see how it panned out before buying another UMC.
     
  15. jerry33

    jerry33 S85 - VIN:P05130 - 3/2/13

    Joined:
    Mar 8, 2012
    Messages:
    12,751
    Location:
    Texas
    Depends on where you are charging. I use the UMC exclusively on every trip and have yet to use the J1772, except once to test whether the UMC or on-board charger was bad. When I'm not on a trip the UMC stays plugged into the wall.
     
  16. mitch672

    mitch672 Active Member

    Joined:
    Jul 1, 2012
    Messages:
    1,868
    Location:
    Stoughton, MA
    #16 mitch672, Jan 24, 2014
    Last edited: Jan 24, 2014
    My UMC is in the trunk, it's only been used once, at an RV Park 180 miles from my house.
    At home I built a 75A J-1772 OpenEVSE for about $725, that's what I use to charge my Model S nightly.
    I have dual chargers, so I time the charging to end just before I leave for work, sometimes I prewarm the car as well, which uses shore power, and often ends up heating the battery at the same time (for example, it's 10 degrees F here now in Boston)

    For a bit more money as a 2nd UMC, you can build your own high power EVSE, if your electrically and mechanically adept, if your building a 40A version, the costs are about the same, but what your building is higher quality than the UMC

    My 75A OpenEVSE build:
    https://code.google.com/p/open-evse/wiki/75AOpenEVSE
     
  17. jerry33

    jerry33 S85 - VIN:P05130 - 3/2/13

    Joined:
    Mar 8, 2012
    Messages:
    12,751
    Location:
    Texas
    Ah, well. There's the hitch. I'm a big believer in not giving a screwdriver to a software guy or gal.
     

Share This Page