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12v battery

Discussion in 'Model X: Battery & Charging' started by karupspc, Jan 6, 2017.

  1. karupspc

    karupspc Member

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    Hello all

    Came across 2 videos last night on YouTube of Model X owner's 12v battery dying cause the vehicle to be disabled until either battery replacement or jumped.

    Was curious if this issue is something to be concerned about?
     
  2. Saghost

    Saghost Active Member

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    A 12V failure will stop any modern EV - they're designed that way for safety reasons.

    I haven't read of a systemic problem causing 12V issues with the Model X so far.
     
  3. idoco

    idoco Member

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    How is that situation any different from an ICE.
     
  4. vandacca

    vandacca ReActive Member

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    Not different, but generally EVs are better than ICE, so I think we should expect more.

    A measly 12V battery shouldn't incapacitate a vehicle that has up to 100kwh of battery just sitting there.

    It would be like dieing of thirst on the beach of a beautiful lake.
     
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  5. idoco

    idoco Member

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    The 12v needs to power the contacter for the dc-dc converter. After that it's really only needed for surge 12v loads. I vaguely remember an early ev that had a manual button on the contacter. If the 12v failed you could manually close the contacter to get the vehicle started. I believe it was hidden in the glove box.
     
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  6. karupspc

    karupspc Member

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