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Converting KW charge rate to miles of range added per hour

Discussion in 'Model S: Battery & Charging' started by dweeks, Aug 1, 2015.

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  1. dweeks

    dweeks Member

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    #1 dweeks, Aug 1, 2015
    I will be stopping at the La Posada hotel in Winslow, AZ. They have a HPWC, and the notes say...

    "The Tesla HPWC charges at 16.8kW per hour."

    I think in miles of range added per charging hour. What is this charge rate in miles per hour?
     
  2. FlasherZ

    FlasherZ Sig Model S + Sig Model X + Model 3 Resv

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    #2 FlasherZ, Aug 1, 2015
    Very roughly, full 20 kW is 60 mi/hr of charge, so that would be 50 miles/hr of charge.
     
  3. rxlawdude

    rxlawdude Member

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    #3 rxlawdude, Aug 1, 2015
    I hope you have a dual charger, or you'll be limited to 10kW/hr.
     
  4. dweeks

    dweeks Member

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    #4 dweeks, Aug 1, 2015
    Yes, dual charger equipped!
     
  5. David99

    David99 Active Member

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    #5 David99, Aug 1, 2015
    The equation would be at his location 59/20*16.8 = 49.5
     
  6. FlasherZ

    FlasherZ Sig Model S + Sig Model X + Model 3 Resv

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    #6 FlasherZ, Aug 1, 2015
    Few people have true 20 kW. I get 60 mi/hr at a true 20 kW (250V service * 80A, although some is lost to the cable dissipation). Most people have 19.2 kW (240V * 80A). So 59/19.2*16.8 = 51.625.

    But either way, it's close enough to estimate it at 3 * kW.
     
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