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Which battery are you getting?

Now that pricing is out which battery are you getting? Look at above post and add a number to it if it exist or put a 1.

300 - 1

Sig-4
300-8
230-5
160-5

I'm going for the 160 pack. Why commit to $10K or $20K extra for the battery now today when the technology is going to be so much better and cheaper in the future?

I'm betting that in five years, $20K will buy you a brand new 400 miles range pack.

The Tesla rep on Friday mentioned to me that on average, battery tech improvements are expected to extend range by 8% a year. You can do the math.

300, and seriously considering upgrading to Sig this week.

Better do it soon David den Boer! I don't imagine that there are very many Sig reservations left.

Sig-4
300-9
230-6
160-5

I'm getting the Goldilocks model.

(I also added 1 to the 300 model for David Den Boer who forgot to update the list)

I too feel the tech will improve significantly. Perhaps in ~5 years we'll have farther and cheaper battery options. We'll see how I feel when it comes time to order but for the moment I'm thinking middle with 230.

Sig-4
300-9
230-7
160-5

Sig-4
300-9
230-8
160-5

Going for 230. I live in south Florida, and during the summer , we lose electric power from time to time. Although 160 miles is plenty for my daily commute, it wouldn't be enough for 2...

Eric;
Yeah, compounded that would boost the 300 to 440. I actually expect a "step function" major jump by then though, to 2 or 3X current capacity, at least. That's how I read the research; there are 3 or 4 separate approaches that should require minimal factory process alterations that could achieve that within 5 yrs.

According to a press release by Panasonic (dated Dec.25, 2009) they have already developed more powerful 18650 batteries. The then current capacity was 2.9 Ah. A 3.4 Ah battery would be produced in 2011-2012. A 4.0 Ah battery will be produced in 2012-2013.

stephen;
Yes, and (4-3.4)/3.4 x 100% = 17% upgrade in one year, more than double the projected 8%.

At 17%/yr compounded, in 5 yrs a 300kwh batter would be over 650!

A batter or a battery.
;p

P.S.;
the 2.9 to 3.4 jump was also 17%. I detect a pattern ...

I predict battery packs will get smaller and lighter before we see 650 mile packs, if ever. The mass produced 30k car may max out at 350mi range (not base price!) with a pack that's 20-25% lighter and smaller than the model S 300mi pack. Even lighter if it's later than I expect before it hits the streets.

@Teo
An interesting thing might come out of that. If they position Bluestar to be a lighter and smaller battery for the same ranges, then a replacement battery for the Model S (and probably Model X) looks really interesting.

Sig-4
300-10
230-8
160-5

The economically rational choice seems to be 230, unless your have acute range requirements.

Personally, I'm going for the 300 because:

- I like max performance (irrational, but a cool thrill)

- The 300 uses the most advanced chemistry battery, and I like state of the art

- I want to be able to accelerate my adoption of EV for all uses, including longer range jaunts

- I accept that I will likely take a 20K hit over the next 3 years, but I like to live the future early :)

I've seen this discussed but her's my thought process. Tesla says a 30% reduction in range in 7 years but also that the battery should last 10 years. My question is:

Will all the battery packs be useless at approximately the same time OR if you get the 300 mile pack, will the battery lasy maybe 15 years with continued less mileage? AND if the 300 does last longer but just keeps degradating, does the degradation excel faster in the later years? What would be the miles after say 13 years???????

If they all "died" around the same time, it would make more sense financially to get the battery that suits your driving needs.

If the 300 lasted 5 years longer than the other packs than that seems the best financially.

Even with all that said, I STILL WANT THE 300 PACK!!!!!

Sig-4
300-11
230-8
160-5

Sig-4
300-11
230-8
160-6

Sig-4
300-12
230-8
160-6

300, only because I want the performance model. These #'s give me a good idea about how long it will take for my build # (P2747) to get called. I'm guessing I'll be about car #2500 (1000 Sigs + about 1500 85kWh cars ahead of me), which should get me the car 3-4 months or so into production.

Although it probably won't change your deliver time much, you should probably add another 200 Canadian Signatures ahead of you.

Larry

300, because even though not done frequently, there will be at least 6 days a year where I want to travel at least 600 miles. Of course, battery longevity is another important issue.

Sig-4
300-13
230-8
160-6

Sig-4
300-14
230-8
160-6

Sig-4
300-14
230-8
160-6

Definately the 300 for better performance, range (security) and enhanced Winter performance due to heating loads and cold weather effects in Canada (Canada Model S Res #252, Dec. 31/11)

Sig-4
300-14
230-8
160-7

I had always planned on the 160 since my commute is 4 miles each way. I'd love to have the 300 with the performance option. I am betting on better cheaper batteries in the future.

If you want your battery to last a long time, you are much better off with the higher capacity. If you drive 80 miles each day, and get the 160 range, you are using half the capacity of the battery. Assuming that you get 1000 charge cycles, then you could hope for 2000 days of use. If you double capacity of the batteries, you get more than double the number of cycles since the batteries are stressed a lot less.

I do not know the actual numbers for the batteries that Tesla is using.

Also, I wonder if it would be possible to rent a 300 mile battery for long trips, then switch back to the 160 for every day use.

Sig-4
300-14
230-8
160-8

Sig-4
300-14
230-9
160-8

I am going with the 230 most likely.
The 300 mile battery will still require me to stop for lunch and top off.
The 230 mile battery will get me to those same locations if I stop for lunch and top off.
Why spend the extra money for the same destination.

I won't be taking the car on any one way trips that are over 300ish miles, 600 round trip over two days.

@Sudre: that matched my thinking until I realized that I do a 180-mile trip fairly regularly. The 230 battery, with a few years of degradation (~80%) charged at Normal mode (80%) only give about 147 miles. I didn't want to use Range mode 2 or 4 times a week, nor to have to stop to charge (at a non-existent charger), so I'm going with the 85kWh pack.

I agree Robert. The 230 pack is more than enough for my needs but for degradation purposes, resale value(although goal is to keep the car till earth no longer exist) and hopefully for length of pack life, I am getting the 300 pack.

They say the earth will end on Dec.21, 2012. Of course these Doomsdayers are full of it.


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