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Official: Replacement Battery Option

Discussion in 'Model S: Battery & Charging' started by NigelM, Nov 29, 2012.

  1. NigelM

    NigelM Recovering Member

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    New prices, Updates and Additions

     
  2. JakeP

    JakeP S P4996 / X P6028

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    Wow, only $12K to replace the 85kWh battery? That is pretty sweet, and could be very handy five years down the road. That could really help with resale value, as well.
     
  3. efusco

    efusco Moderator - Model S & X forums

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    Would have liked to have tagged that $12k onto my USAA Auto Loan...a bit too late now. Not sure how easy it will be to scrape together another $12k cash...and I wonder how long that option will be available?
     
  4. SCW-Greg

    SCW-Greg Active Member

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    Think about inflation in 8 years. These prices could really be a steal, but no doubt a whole lot of variables in 8 years.
     
  5. NigelM

    NigelM Recovering Member

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    I agree. IIRC, that's the same price that the Roadster had, if so for the S I think that's a great deal.
     
  6. Todd Burch

    Todd Burch Electron Pilot

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    I wonder if the replacement battery comes with the same warranty. For instance, does the replacement 85kWh battery have another 8 year unlimited mileage warranty? I would think so, but it's worth discussion.
     
  7. bonnie

    bonnie Oil is for sissies.

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    It's a great deal. The Roadster battery replacement option (which I'm glad to say I purchased) is priced the same ($12K) but for a smaller battery. So not only did they not raise the price, it's a substantially better deal when you look at the battery size.

    Color them confident.
     
  8. SteveH

    SteveH Member

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    I guess I'm torn. 8 years from now inflation says this is a great deal, but could new battery technology make it worse? What happens in the off-chance that battery prices drop? Will Tesla refund part of the price?
     
  9. Todd Burch

    Todd Burch Electron Pilot

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    Bonnie,

    What's the price for those that didn't prepay?

    Aren't we expecting Tesla to come out with a higher capacity pack after 8 years+ have passed? What if I get the pre-pay option, then a 120kWh battery pack comes out? Can I cancel my pre-pay?

    For me, there are WAY too many questions here that Tesla hasn't yet answered.
     
  10. bonnie

    bonnie Oil is for sissies.

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    So that's the thing with insurance. You don't KNOW you're going to have an accident, but you purchase insurance anyway. I bought the replacement option for peace of mind. We don't know the price of the replacement battery because the first Roadsters are just coming off warranty.

    My assumption is that there may be a better battery technology available at the time I exercise my replacement option -- and there will be a discounted price offered to me. But I don't KNOW that. Tesla may give me an equivalent battery to what I have. Or they might have only the better battery to offer and that's what I get. Impossible to know now.

    - - - Updated - - -

    fyi - I've never regretted purchasing the option.
     
  11. NuclearPowered

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    This is great to quell the naysayers rumors of insanely expensive battery replacements, but I would expect to be able to buy a much bigger batter then 85 kwh. 8% improvment per year over 8 years is about 180kwh. Even if it costs more, the range improvment would be too much to pass up.
     
  12. JakeP

    JakeP S P4996 / X P6028

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    Yes it will be interesting to see the details on this when it is offered. If there is a provision that at time of replacement you can opt to upgrade to an even bigger battery (even for a fee), this would be fantastic, and would eliminate any concerns over an 85kWh being eclipsed by a 100kWh a few years from now.
     
  13. SteveH

    SteveH Member

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    As cost is limiting me to 60kWh for now, I would love to think that we could upgrade batteries as some point in the future. But I am a little skeptical. I expect that the logic and wiring behind the scenes would have to replaced as well and this could make an upgrade impractical.
     
  14. dsm363

    dsm363 Roadster + Sig Model S

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    That's key. I wouldn't want to be locked into the same size battery pack if a larger pack was available (as you said , even if it was extra).
     
  15. Chas F

    Chas F Model S 60kWh #P6396

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    I believe that battery tech 8 years from now will make this purchase not so good of a deal. I expect to upgrade to a bigger battery in 8 years (assuming I will need one by then, jury is still out on degradation). This could be 100kWh for less than $10K, from Tesla or a third-party. I think we will have too many more options by then to lock in now.
     
  16. Tommy

    Tommy Member

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    It looks like a good deal to me. Remember the $40k Tesla was reportedly going to charge a certain infamous roadster owner for battery replacement last summer; this is basically 1/4 the cost for a bigger battery. If you buy the battery size for your needs now as Tesla strongly recommends, my back of the napkin calculations show the savings in gas more than cover the new battery cost. Of course it would be great if each battery size could be upgraded to a larger size, however buying the size you need now = peace of mind for me.
     
  17. Chas F

    Chas F Model S 60kWh #P6396

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    Don't forget to factor in the opportunity cost of prepaying $12K for 8 years. My back of the napkin shows this as approx $5K.
     
  18. iridium

    iridium Member

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    A few questions came to mind when I read about the replacement option:

    1) Do I have to purchase this now? In other words, am I basically buying an insurance policy or can I simply buy a new battery after 8 years.
    2) Does this allow me to upgrade my battery? If I buy a 60 now, can I buy an 85 later for only 12k?
     
  19. NigelM

    NigelM Recovering Member

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    Its about $3,300 based on 5% compound return after tax.

    I think that much more important is the price of Lithium over the coming years. As demand increased during the past 20 years so prices have increased. If you assume that more EVs will mean more Lithium batteries then global demand will increase much further and basic economics says that prices will increase. Of course, that doesn't factor in any new battery technology that may come emerge.
     
  20. kendallpb

    kendallpb Model S: P 8061

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    I'm a bit confused, since GB doesn't really explain it. I would have to buy the option up front? But I have no idea (a) whether I'd need it in 8+ years, or (b) whether I'll even own the Model S in 8+ years. Why must one buy it now? I understand Bonnie's comment re. insurance, but one doesn't buy replacement tires or anything else up front (not even a replacement 12v battery), so why would I buy this up front...why not when I actually need it? Sorry if this is a stupid Q.

    BTW how are Roadsters doing with their pack capacity so far--better than expected, worse, same, and/or varies wildly from car to car?
     

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