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Safe to use the Mobile Charger as full time unit?

Discussion in 'Model 3: Battery & Charging' started by Chuck305, Dec 11, 2019.

  1. Chuck305

    Chuck305 Member

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    Does anyone leave their Mobile Charger plugged into 240V 14-50 socket all the time and does the MC stay on (green light) when the puck is not inserted into the car?

    I noticed mine stays green and warm to the touch unless I unplug it.

    I'm interested in making my mobile charger a full time charging station.
     
  2. dhrivnak

    dhrivnak Active Member

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    That is what I have been doing, successfully I might add, for the last 20 months and 32,000 miles.
     
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  3. Chuck305

    Chuck305 Member

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    So you leave it plugged in when not charging and if so does the Tesla light on the MC unit stay lit and the unit remain warm?
     
  4. dhrivnak

    dhrivnak Active Member

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    The light stays on but if warm only slightly warm.
     
  5. BrakeDome

    BrakeDome Member

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    I keep mine plugged in all the time (same as you, 14-50 outlet). Light stay green, but is not warm to the touch unless actively charging. That said, I’m in WA and my garage is around 50 F. Might be slightly warmer to the touch if I lived in say FL ;)
     
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  6. mal_tsla

    mal_tsla Member

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    Yes, but leave it plugged in. The nema 14-50 is designed for semi permanent appliance/machinery and will wear out if you frequently plug and unplug it.
     
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  7. Timbo2

    Timbo2 Member

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    I use a Gen 1 as it charges at the full 40A. It draws about 1W. (And yes the light on that one stays on as well.)

    IMG_20190527_091900.jpg
     
  8. Rocky_H

    Rocky_H Well-Known Member

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    Almost six years now with my original mobile cable still plugged in and hanging on the wall.
     
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  9. ucmndd

    ucmndd Well-Known Member

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    Absolutely safe. My UMC has delivered north of 30 MWh at this point.
     
  10. M3BlueGeorgia

    M3BlueGeorgia Active Member

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    Most people do, especially Model 3 owners.

    Mine stays plugged in, except when we go on a road trip, when I pack it.
     
  11. mal_tsla

    mal_tsla Member

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    Max charge rate on model 3 is 48a (using HPWC)
     
  12. TexasEV

    TexasEV Well-Known Member

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    Yes, I’ve been doing this since 2013 as have many early owners. The “Mobile” in Mobile Connector a capability, not a requirement. Note that it’s a called a connector, not a charger. The charger is in the car.
     
  13. ucmndd

    ucmndd Well-Known Member

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    FTFY
     
  14. Chuck305

    Chuck305 Member

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    Thanks for all the replies. I'm going to try leaving it plugged in tomorrow.
     
  15. idoco

    idoco Member

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    UMC plugged in for almost seven years. No issues.
     
  16. Rottenapplr

    Rottenapplr Member

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    I have my mobile charger on an extension cord. I don’t even bother on road trips since there are so many chargers available.
     
  17. eye.surgeon

    eye.surgeon Active Member

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    I've been using my mobile charger in my garage for 5 years. Plugged in whole time. No issues.
     
  18. Jonabramson

    Jonabramson Member

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    9 months now plugged in. Bought a v1 model from an S owner and use it in the garage fora 40 amp charge. I keep the v2 in the trunk in case I need it on the road.

    Biggest issue I'd think is plugging and unplugging from the outlet. Many store bought 50 amp outlets are designed well for multiple connect/disconnect and reconnects.
     
  19. Chuck305

    Chuck305 Member

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    So I left it plugged in since Friday and the unit does cool down a little while after I remove the puck from the car. I even left it plugged into the car overnight in the rain though I sheltered it a bit by angling the car so the charge port was underneath the garage over hang. I was expecting to install a Tesla 240V wall charger, but since its no longer sold guess this will do. It's been working out well so far.
     
  20. Black306

    Black306 Member

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    You mean a Wall Connector with a built-in 14-50 plug? You can always install a dryer/range replacement plug.

    CF6BF1AD-A55D-4A14-89BC-4C53EB9D925D.png
     

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