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Audi e-tron battery during winter

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  • Audi e-tron battery during winter

    I will be away for one month and have to leave my 2019 E-Tron sitting outside in the Michigan winter weather for that month. Will my car battery likely be drained when I return if I leave it fully charged?

  • #2
    When I left mine in the UK for 2 weeks it lost 2%…..not sure if 1% loss per week is about as expected??

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    • #3
      Don’t leave it fully charged. Charge to 70-80% before leaving it, that will avoid accelerated battery degradation whilst giving plenty to keep it going.

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      • #4
        My -21 eTron 50 SP drained it’s 12V battery completely after being from Th to Mo evening in a cold garage - the temperature here in Finland was about -10C (ie. 14F) . According to my local dealer this should not happen and it will be checked/serviced now.

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