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New higher capacity charger

Discussion in 'Model S: Battery & Charging' started by Tevvy, Jul 12, 2017.

  1. Tevvy

    Tevvy Member

    Joined:
    Jul 6, 2017
    Messages:
    136
    Location:
    UK
    Hi all, I'm waiting for my new inventory 75D to arrive. I see from the specs that it has this 72amp charger.

    What do I need to take advantage of this at home? In the UK we get a £500 grant towards a home installation, but I don't think that includes the Tesla wall charger, so I'm looking at alternatives.

    Can anyone recommend me a charging station for home which would take advantage of this higher charger? I have 3 phase at home if that helps?

    Thanks for any advice, this charging is a complicated thing!
     
  2. sauce

    sauce Member

    Joined:
    Jun 28, 2015
    Messages:
    37
    Location:
    Montreal-Ferrier
    The HPWC is configurable with 208V 3-phase or 277V 3-phase. See link for PDF, pages 8 and 9

    https://www.tesla.com/sites/default/files/80A_Wall_Connector_Installation_Manual_EN_JP_ES_0.pdf
     
  3. miimura

    miimura Active Member

    Joined:
    Aug 21, 2013
    Messages:
    2,047
    Location:
    Los Altos, CA
    Your best bet is to look in the UK & Ireland sub-forum. There are a couple threads in there about UK charging including the OLEV grant scheme. I seem to recall that there is an extra charge for 3-phase charge points from most OLEV installers.

    Also, the PDF linked above is the US/Canada/Japan version. This is the European model that is 3-phase capable and has the correct vehicle connector.

    https://www.tesla.com/sites/default/files/pdfs/wall-connector-eu/20161208/tesla-32a-wall-connector-installation-manual-en-EU-v2.pdf
     
  4. bob_p

    bob_p Active Member

    Joined:
    Apr 5, 2012
    Messages:
    1,643
    You really don't need to charge a 75 at the full 72A.

    You can save $$$ by installing a lower amp circuit.

    In the US, a 30A circuit can charge most cars overnight for typical driving.

    We have an S P85 with dual chargers (supports up to 80A) and have it connected to a 50A circuit, charging at 32A.

    And our new S 100D came with the standard 48A charger, and charge it through our HPWC on a 100A circuit, dialed down to 48A. [We do this because the two cars are sharing the same 100A circuit, which means the actual sustained load should be no more than 80A.]

    And both cars have been able to get fully charged overnight.

    My recommendation is to go with a lower amp circuit, especially if you have a long run of cable from your breaker box. And assuming Tesla is installing an urban supercharger near you, if there is a time when you need to charge quickly - make a run to the supercharger to do that.

    Overspending on home charging is tempting and helps to alieve range anxiety. But after owning a Model S for 4.5 years, I realize we've overspent on installing charging circuits in two homes - at least for cars with up to 100 Kwh of power.
     
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