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charging speed at 72kW vs 120kW Superchargers?

Discussion in 'Model S: Battery & Charging' started by syswei, May 20, 2018.

  1. syswei

    syswei Member

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    Apr 26, 2016
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    Location:
    CT/NYC
    I may rent a place in South Florida, and since it may be in a highrise condo that may not have charging, would have to rely on Superchargers. The nearest (probably in Aventura) will only charge at up to 72kW vs the 120kW I have used in CT. How does that impact charging speed...will it take 120/72 (or 1.67) times as long, or is it some other number?
     
  2. Saghost

    Saghost Well-Known Member

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    It's a lot less than that, because your car generally can't take 120 kW for long anyway. The exact answer is complicated, though, because the impact will vary greatly depending on where in the pack you are and the pack's temperature.
     
  3. Lasttoy

    Lasttoy Member

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    Charge time is relevant to how empty you are. If you are down to 10 miles, long time, if you are at 50% or higher short time. I keep a log of every charge. I have charged in 20 states, many towns. Never ever get same rate. PERIOD.
    A new hotel here put in a 100 amp public chager. It uses both of my inverters and is almost as fast as a super chargers.
    I have been in many Super Charger sites, had this discussion. There too many variables, temp, kw of you car, how emtpy you are.
     
  4. DOCAL

    DOCAL Member

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    Location:
    San Jose, CA
    Watch a charging session when you're on a charger in CT. See how much of the time is spent at higher than 72kW, that should give you an idea of how much time you'll spend capped.

    As people have said, there are lots of variables. In my case (75kWh battery) the time spent above 72kW is a lot shorter than for a 100kWh battery, and the absolute peak for me is a lot lower.
     
  5. syswei

    syswei Member

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    Location:
    CT/NYC
    Thanks for the replies, everyone.
     
  6. tpham07

    tpham07 Active Member

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    1,958
    Location:
    Rhode Island
    you won't lose much if any time.
     

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