How Long Can Prius Prime Sit With Good 12v Battery

Discussion in 'Gen 5 Prius Care, Maintenance and Troubleshooting' started by tovli, Dec 18, 2024.

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  1. Mendel Leisk

    Mendel Leisk Witness Leader

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    Regardless of the 12 volt battery not cranking the engine, I take a below spec CCA test result as a symptom of a failing battery, one that'll soon leave you stranded, necessitate less than optimum battery purchase, and so on.
     
    #21 Mendel Leisk, Dec 27, 2024
    tovli and BiomedO1 like this.
  2. tovli

    tovli 2023 Prius Prime replaced 09 Prius

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    We may not have the freezing temps, but we have the baking temps. Today, Dec 27, was a chilly 76 degF. Many folks have said batteries only last a year or two here because of our summer temps around 96 degF (even hotter parked in the Garage). It will not surprise me if the Toyota spec'd battery does not make it to the 3 yr warranty.

    Like @Mendel Leisk I put an Optima battery in my previous Prius, but need to wait till the basic warranty runs out before changing out major components like the battery. Hopefully changing out the battery at 3 years will not void the 10 year Toyota Roadside Assistance. Something to consider.
     
    #22 tovli, Dec 27, 2024
  3. BiomedO1

    BiomedO1 Senior Member

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    It's shouldn't, that's a common wear-out item, Like tires, brakes and wiper blades...
     
    #23 BiomedO1, Dec 28, 2024
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