Featured Revealed: Rivian Patent For Auxiliary Battery Module To Achieve 400+ Miles Range

Discussion in 'R1T Pickup Discussions' started by Administrator, Feb 21, 2019.

  1. VValleyEV

    VValleyEV Member

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    AHA, I think you have found a valid use case. If you are towing a big (and expensive) travel trailer on a long trip, it might be worth it to install this giant thing in the bed for the trip and remove it afterward. Bed reduction wouldn’t matter much because all your stuff is in the travel trailer or hanging off the back of it anyway. I know some folks who have a separate truck that they only use to haul their AirStream, truck staying in storage the rest of the time, and this might work for them.

    The Patagonian explorers and deranged electrophoresis with too much money are out there, but IMHO not in sufficient quantities to justify this option.;)
     
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  2. VSukx

    VSukx Member

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    They better shrink that battery for the R1S then, because what's the point of all that range for longer trips if you have no space for bags, luggage, etc.

    The more I think about it the more I think it's only going to be available for the R1T.
     
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  3. DiggiRob

    DiggiRob Member

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    I could have sworn Rivian confirmed 400 mile range with the 185khw pack. Besides, the R1S is said to get 410 miles at the top level. Seeing as how this auxiliary battery may not even be available for the R1S unless they come up with a different design, I'm going to guess the battery module extends it beyond the 400 mile range with the 185khw pack.
     
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  4. Katsudon

    Katsudon Member

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    Actually thinking about this more... the auxiliary battery is likely only available for the R1T considering the patent calls for installation by forklift / winch. Which means you can't lower this auxiliary battery into the trunk of an R1S because it has a fixed roof?
     
  5. Papalock

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    My bet is there will be a separate filing for an auxiliary battery for the R1S. It just doesn't make sense to have this tech and addd range be available only for the pickup.
     
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  6. Rivolt

    Rivolt New Member

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    A forklift?? Did they say how heavy this battery is? When I read auxiliary I was hoping truly portable.
     
  7. RefugeEV

    RefugeEV Active Member

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    Rivian just tweeted this reassurance that the longest range model with the largest battery pack can go over 400 miles, meaning the auxiliary battery isn't required to reach over 400 miles.

     
  8. JB Segard

    JB Segard New Member

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    #23 JB Segard, Mar 3, 2019
    Last edited: Mar 3, 2019
    Yes, an add-on powerbank on demand is a really good solution to occasional peak range demand.
    Another option for the same is to use EP Tender's Battery as a Service trailers.
    See www.eptender.com
    The idea of removable add-on battery pack doesn't seem entirely new: FR3014035
    "ENSEMBLE AMOVIBLE DE BATTERIE POUR UN VEHICULE AUTOMOBILE ELECTRIQUE COMPORTANT UN RESERVOIR D'APPOINT"
     
  9. PoorPilot

    PoorPilot Well-Known Member

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    That’s an interesting product, but the Rivian auxiliary battery would be a semi-permanent battery pack, not a trailer.
     
  10. THOR

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    I would put this on when I put on the winter tires. To fight back on the loss to cold weather. Take it off in summer to have more room and lighter load.
    Looks like a great option. I wonder how much it will cost.
     
  11. VValleyEV

    VValleyEV Member

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    Yeah, I think it is pretty clear the 185kwh pack will mean 400-mile range without any additional battery packs, and that this future option for R1T might extend it to 500, or more likely hold it at 400 miles when you are towing a big travel trailer, in which case you don’t need much storage in the bed anyway.
     
  12. Hmp10

    Hmp10 Well-Known Member

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    How will they handle the cooling of an auxiliary battery pack? The permanent packs have a rather elaborate cooling system.
     
  13. franke

    franke Member

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    The patent describes it a little albeit somewhat light on details, but it sounds like it's all built in to the module. Probably partially why it's so large too.

    "The auxiliary battery module includes an integrated cooling system for cooling itself during operation of the electric vehicle including a conduit therein for circulating coolant."
     
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  14. THOR

    THOR Member

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    until you start towing. it want's a bigger battery, imo
     
  15. RefugeEV

    RefugeEV Active Member

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    Since Rivian advertises the R1T and R1S as "Electric Adventure Vehicles" a modular extended battery idea makes a lot of sense. This way they can truly be put to "adventure" use and taken into even more remote areas without range anxiety.

    I wonder what the business plan for this auxiliary battery will be tho - will it be sold as an accessory for more permanent capacity and/or perhaps Rivian will rent these batteries out for owners who need it for one-time use?
     

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