Prius Prime Battery Replacement

Discussion in 'Prime Fuel Economy & EV Range' started by ClemsonSteve, Apr 6, 2021.

  1. ClemsonSteve

    ClemsonSteve Active Member

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    Do we know of any regular use (and not a manufacture defect) battery failure and subsequent replacement in a Prius Prime? And if so, the cost? And yes, it would have to be a high mileage car--as the warranty in most states is 100,000 miles.
     
  2. bisco

    bisco cookie crumbler

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    not that i have read, but there are probably numerous salvage packs by now.

    and btw, toyotas warranty covers the battery regardless of defect. you just need a code
     
  3. ClemsonSteve

    ClemsonSteve Active Member

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    Sure, but that ends after 100,000 miles, correct?
     
  4. bisco

    bisco cookie crumbler

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    yes, if you are not in a carb state. but double check your warranty manual, i thought i read toyota was going 10/150 across the board for the battery
     
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  5. ClemsonSteve

    ClemsonSteve Active Member

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    Yes--I think they did too--but not for the 2017....
     
  6. bisco

    bisco cookie crumbler

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    you're probably righ. i would say the odds of your battery going bad are miniscule.

    i'm not sure we've even had one on the pip yet
     
  7. ClemsonSteve

    ClemsonSteve Active Member

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    You hear stuff about "battery degradation" and the like--stories that make someone think they won't last for the really long haul. I'm just curious if any have actually failed...
     
  8. bisco

    bisco cookie crumbler

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    right. degradation is minimal butallbatteries degrade to some extent.

    failure is extremely uncommon, if at all. toyota builds these drive trains rock solid
     
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  9. ozmatt

    ozmatt Active Member

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    This will be interesting, I have been wondering the same! early failures of nimh packs in regular hybrids is not often seen before about the 5 year mark, and most that fail early are cabs...

    Posted via the PriusChat mobile app.
     
  10. ClemsonSteve

    ClemsonSteve Active Member

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    Well I can say this--I'm gonna find out just how far it will go--God willing, but it could outlast me LOL.
     
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  11. pghyndman

    pghyndman Active Member

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  12. ClemsonSteve

    ClemsonSteve Active Member

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    Sure, but for 2017 in most states it is only 100,000 miles....
     
  13. Salamander_King

    Salamander_King Senior Member

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    This thread will help you answer your question: Does anyone know how much a full battery replacement for the Prius prime would cost ? | PriusChat

    I think the battery degradation is more closely correlated to the age of the battery than the miles driven. If you have a 4 years old 2017 PP and driven over 100,000 miles already, how much of that is actually on EV mode? I am sure the charge cycle is much less than say, a PP driven for 10 years but only 25 miles/day all on EV mode with daily charging. (25milesx365daysx10years=91250miles)
     
  14. bisco

    bisco cookie crumbler

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    i have 55,000 miles of ev on my 9 year old pip, plus whatever battery use on another 20,000 miles of hv.
    i'm still at 85% of new, and lost most of that in the first year or two.

    i'm sure toyota made some big improvements by 2017.
     
  15. ClemsonSteve

    ClemsonSteve Active Member

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    Great point!
     
  16. Celliott1778

    Celliott1778 Junior Member

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    Just bought a 2021 and can confirm the warranty on battery is 10 year/150,000 miles. Traded in 2014 Prius C which had 100,000 mile warranty on the battery. That car had 155,000 miles and no issues.
     
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  17. ClemsonSteve

    ClemsonSteve Active Member

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    You are correct. And I hope you get 200k or more out of this one!
     
  18. Henrik Helmers

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    I own a couple of Apple devices that I charge every day, sometimes multiple times a day. And despite poor battery management they have survived years and years of use. I have yet to have a device in active use (not just stored with an empty battery) fail.

    With the large buffer in the Prius Plug-in, I am not sure you could reach the similar usage levels—even if you did charge it twice a day.

    Are there reports of Primes (or even the old Plug-in) "using up" the battery?
     
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  19. jerrymildred

    jerrymildred Senior Member

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    Just to clarify, the warranty on NEW Primes and other Prii is 10/150. Toyota did not make that warranty backward applicable to previous years. So the warranty info in someone's 2021 will not apply to someone else's 2017 unless that 2017 is in a CARB state.

    I have so far never read of a Prime's battery failing. I have read tons and tons of complaints of range reduction, but range reduction is not the measure of battery health. Battery health is best measured by how many kWh it takes to charge it. Mine is still the same as when I got it two years ago, and according to the eco history of the car, the original owner almost never charged it.
     
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