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Will 5 month annual storage degrade Hybrid battery despite trickle charger on 12 v battery?

Discussion in 'Gen 3 Prius Main Forum' started by Nankoweep, Jun 25, 2019.

  1. Nankoweep

    Nankoweep New Member

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    Will 5 month annual storage degrade Hybrid battery even though I have a trickle charger on my 12v battery?
     
  2. David E. Edwards

    David E. Edwards Junior Member

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    Your trickle charger recharges only the 12v battery which is only used to power-up the
    computers in your Prius. So the Hybrid Battery is separate and being a battery is will discharge
    over time.
    If possible I would have some drive my Prius every month for about 30 minutes so all fluids get
    warmed-up also.
     
  3. Mendel Leisk

    Mendel Leisk Book Cover Judge

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    From page 30 of the Owner's Manual:

    upload_2019-6-25_9-47-54.png

    That said, our 2010 had build date August 2009, and when we purchased in November 2010 it had 15 kms on the odometer (yes: 15 kms, not 15,000 kms). It's been fine, no issues. Maybe a brand-new battery takes protracted downtime better, not sure.

    Can you get someone to "take it under their wing", drive it periodically? If push comes to shove, hire someone vetted, say a dealership person, mechanic or whatever..
     
  4. bisco

    bisco cookie crumbler

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    i'm just not comfortable leaving a hybrid for 5 months every year. i always advised my father against it as he went snow birding each season
     
  5. Nankoweep

    Nankoweep New Member

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    Thanks for the response. You might have just saved me a hybrid battery!
     
  6. ericbecky

    ericbecky Hybrid Battery Hero

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    It would be very hard on an see hybrid battery to sit unused that long.

    You could buy a high voltage trickle charger for your HV pack. It would cost $600-$1000 depending on which one you chose. That could maintain the pack while you were gone.