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What should the charge rate be set at for HPWC

Discussion in 'Model 3: Battery & Charging' started by Brentt, Apr 30, 2018.

  1. Brentt

    Brentt Member

    Joined:
    Apr 11, 2015
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    Location:
    Tulsa, Okla.
    I have a dedicated 100 amp service and the HWPC can be set up to charge at up to 80 amps.
    I know the M3 won't handle the higher amps, but will it automatically adjust to the lower rate?
    I'd like to have it set at the higher rate should I buy a model S in the future.
     
  2. Red5StandingBy

    Joined:
    Mar 7, 2018
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    Location:
    Franklin, TN
    Speaking only in regards to the Model S. The max charge is 48amps (standard single charge unit). That means a max of 60 amps is needed to the HWPC.
     
  3. DOCAL

    DOCAL Member

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    Location:
    San Jose, CA
    If you have it on a dedicated 100amp circuit, then set it to 80 amps. The car will only take what it can handle.
    An older model S with dual chargers can take the full 80. A current gen mode S can take either 48 or 72 depending on config.
     
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  4. SomeJoe7777

    SomeJoe7777 Marginally-Known Member

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    Location:
    Houston, TX
    If you have the HPWC on a 100 amp breaker with proper wiring, then the interior switch settings inside the HPWC should be set for 100 amp breaker / 80 amp charging.

    No adjustments in the car are necessary -- all Telsa models will charge appropriately.
     
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  5. cmaster

    cmaster Member

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    Dec 4, 2014
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    United States
    • Informative x 1

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