Unexpected battery discharge when car is parked

Discussion in 'Ford Hybrids' started by DavidMVA, Jun 16, 2011.

  1. DavidMVA

    DavidMVA Member

    I've got a 2010 FEH.
    It's the 2nd time it happens.
    I parked the car for 4+ hours, and when I start it gain, SOC dropped from 40-45 to 25.

    When ignition is turned on, the ICE immediately starts running to recharge the battery.

    I can't figure out what condition caused this, except that in both cases I seemed to have gotten about 60mpg from my trip to work thanks to light traffic, and cooperating traffic lights (usually, I get 45 mpg on my way to work)

    Anyone experienced this too?

  2. Parasite

    Parasite Well-Known Member

    Could it be heat or a temperature change in the batteries?

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