P3000 code with new NexPower V2.5 battery

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by Evan Armstrong, Apr 20, 2025.

  1. Evan Armstrong

    Evan Armstrong Junior Member

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    Attached our screenshots from Dr. Prius one while driving one of the battery test and another after 10 minutes of driving.

    it appears that battery blocks 1 and number 13 seem to be the culprit here.

    I do have a check engine light and of course the RTD light.

    I purchased this battery from NexPower Energy in May 2024 for $2200.

    any advice is appreciated. essentially I think I am going to see if they are willing to send me replacement blocks as it should be under the year warranty.
     

    Attached Files:

  2. ChapmanF

    ChapmanF Senior Member

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    It would be helpful to have the INF code going with the P3000 code, to have a better idea even what kind of problem the HV control ECU is reporting and make sure this use of Dr. Prius isn't barking up the wrong tree.
     
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  3. Evan Armstrong

    Evan Armstrong Junior Member

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    Yes I wish I had that as well. I was considering buying Toyota Tech stream with the cable off of Amazon. if you think it’s worth it, let me know and I’ll just go ahead and order it
     
  4. jacktheripper

    jacktheripper Senior Member

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    Hi Evan @Evan Armstrong ,

    We have discontinued the lithium product line and transition 100% to the much stronger Sodium-ion chemistry, feel free to participate the in-warranty program to receive a brand new V3 GT, which essentially paying for part of the tariff and shipping. The tariff has gone crazy so please do it quickly before the big increase.

    Best Regards,
    Jack

     
  5. Evan Armstrong

    Evan Armstrong Junior Member

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    Hey Jack, I actually wrote you via email for your support. Perhaps we can continue our conversation there. I am not interested in spending an additional $2000 for another new battery. I want to instead focus on fixing the one I purchased for $2200 less than a year ago. Thanks
     
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  6. MAX2

    MAX2 Senior Member

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    If Dr. Prius is not lying in the readings, then the modules are significantly unbalanced in voltage. Between several adjacent modules, the difference is about 0.3 V, which is the threshold for errors to appear.
    The ECU for NIMH modules usually uses charging all modules with increased voltage to equalize the voltage, so that the charged modules wait for the others to charge. In this case, the heat from the charge is dissipated into the environment.
    With lithium, this option for equalizing the voltage will not work. From the increased voltage, the already charged modules will simply deteriorate, explode.
     
  7. Evan Armstrong

    Evan Armstrong Junior Member

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    geez, what a nightmare. Looks like that answers my next question about driving it back-and-forth to work in the meantime. My hope is that NexPower Will honor the warranty here as I am within a year of purchase. I am still somewhat dumbfounded. This happened in just under 12 months.

    Do you think replacing those blades would fix the issue?
     
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  8. MAX2

    MAX2 Senior Member

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    Without understanding the internal state of the modules, it is difficult to say anything. It may be necessary to replace some of the modules, or it may be necessary to change everything.

    Do the warranty conditions provide for a complete replacement?
     
  9. Evan Armstrong

    Evan Armstrong Junior Member

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    it is somewhat unclear with the warranty provides.

    as you can see from Jack’s earlier message they like to heavily push me into purchasing another battery (their sodium version) as opposed to providing options under warranty.

    I am essentially waiting for further response from Jack via email to see what my options are here
     
  10. MAX2

    MAX2 Senior Member

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    Buying a new set for even more money? Doubtful pleasure.
     
  11. rjparker

    rjparker Tu Humilde Sirviente

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    The warnings were there for years now.
     
  12. ChapmanF

    ChapmanF Senior Member

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    P3000 can mean a range of things. I would sit tight till I'd seen the INF codes.
     
  13. MAX2

    MAX2 Senior Member

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    Dr.Prius the program is not for subcodes, it is more of a visualization of the battery electrical parameters.

    And because what happens according to this visualization is a completely normal reaction of the ECU, trying to align the modules by voltage, but not getting the desired result due to another chemical reaction in the modules.
     
    #13 MAX2, Apr 21, 2025
    Last edited: Apr 21, 2025
  14. Hayslayer

    Hayslayer Member

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    Maybe I'm misunderstanding, but in Post #4, I think Jack was trying to say since your battery is under warranty, you can get the newest version of the Sodium battery for just the cost of shipping and tariffs (or just a portion of those fees). It's not 100% clear, but certainly someone will jump in to provide clarification.
     
  15. Brian1954

    Brian1954 Senior Member

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    The "In-warranty Lithium-ion to Sodium-ion Battery replacement" price listed on the website as of today is $640. See the link below.
    In-warranty Lithium-ion to Sodium-ion battery replacement program– NexPower Energy

    Even if you buy a couple of blades to fix your existing V2.5 Lithium-ion battery now, you will again have a problem with the battery pack in another year. Your best bet is to switch to the Sodium-ion battery or the OEM battery.
     
    #15 Brian1954, Apr 21, 2025
    Last edited: Apr 21, 2025
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  16. bisco

    bisco cookie crumbler

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    iirc, jack is close to bankrupt dueto battery failure, and cannot commit to replacing batteries under warranty without some kind of trade off with customer assistance.
    you're probably gonna have to decide whether to fish or cut bait
     
    #16 bisco, Apr 21, 2025
    Last edited: Apr 21, 2025
  17. Evan Armstrong

    Evan Armstrong Junior Member

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    Any experience with the sodium-ion battery? I am not familiar and just hoping for a reliable solution.
     
  18. PriusCamper

    PriusCamper Senior Member

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    Apologies for the situation you're in...

    Sodium-Ion is better for the planet (lithium mines destroy ecosystems) and they also perform better at both hotter and colder temperatures. They've proven so reliable the world's largest electric car maker in BYD has been selling them in their electric cars for two years now and Jack's connections with China make this the first sodium-Ion high voltage battery product sold in the USA.

    It has been rigorously tested for almost two years by Jack and his collegues and is not affected by known failure points of the previous packs. I'm sure if you do some research on Sodium-Ion you'll find some pretty impressive information about the future of affordable batteries that don't ruin the planet. Also there's this FAQ page too: FAQ - NexPower Energy

    For perspective, there's more than 4K Nexpower batteries on the road, but the LiFePo4 cell packets have proven unreliable to some customers. For myself, I'm at 55 months with a Nexpower winter testing prototype with no issues, but with a small business it's not easy to survive even a small number of failed packs.

    I've watched Jack ship free replacement packs under warranty for years and what was once the right thing to do turned into a massive amount of debt to the point that the people helping him avoid bankruptcy have had to limit his generosity... And then when you add the tariff crisis, despite the latest shipment arriving to port minutes before 125% tarriffs took effect, he's still paying more than $800 a pack in tariffs & other fees at the port.

    Similarly, brand new OEM Toyota battery packs are also getting tarriffed and the $1900 for a new OEM pack after core deposit is now up over $3500 in many cases. So the price you're being offered is still a loss to Jack's income, just not as extreme as before, but at least more affordable and better performing than OEM currently is. And you also get to keep your old pack, which you can convert to a 12v or 24v power supply that's doesn't have the same amp loads/stress on it as it does in a vehicle.
     
    #18 PriusCamper, Apr 21, 2025
    Last edited: Apr 21, 2025
  19. Evan Armstrong

    Evan Armstrong Junior Member

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    If the testing is so rigorous why did this pack fail in less than a year?
     
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  20. Brian1954

    Brian1954 Senior Member

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    I have no experience with any of the NexPower Energy batteries.

    I would take a chance on the Sodium-Ion battery at $640 + shipping versus a new OEM battery that would cost you $3000 to $3200 at a Toyota parts department or a $1600 refurbished battery. You also need to return a stock OEM battery to get your core deposit back from the Toyota dealership. Do you still have the battery that you took out of the car?