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Will there be a P115D or P130D?

kenliu

New Member
Sep 4, 2017
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pasadena
If so, any guesses as to timeline? Is Tesla going to start using the new battery in the Model S? I just bought a 75 this year and I love it. I'm already thinking about upgrading to the P100D, but if something better will be out soon I'd rather wait.
 

tinm

2020 Model S LR+ Owner
May 3, 2015
2,463
12,326
New Mexico, USA
I think we'll see a 110kWh battery by fall of 2019, but 115+ not for a while or until Tesla embraces some new, higher energy-density battery technology.
 

Haxster

Member
Apr 4, 2016
859
1,397
Silicon Valley
Or maybe a 120 KWh, motor-per-wheel version?
P120Q.jpg
 

ecarfan

Well-Known Member
Sep 21, 2013
19,395
14,407
West Vancouver, British Columbia
If so, any guesses as to timeline? Is Tesla going to start using the new battery in the Model S? I just bought a 75 this year and I love it. I'm already thinking about upgrading to the P100D, but if something better will be out soon I'd rather wait.
Define "soon".

No one outside of Tesla knows when a higher capacity battery will be offered for the S/X line.

My guess is that it will definitely not be this year. I doubt it will even be next year. Maybe 2019. But I doubt it will be more than 110kWh by then.

Battery chemistry improves gradually. Telsa cannot pack any more cells into the S/X pack size.
 

Saghost

Well-Known Member
Oct 9, 2013
8,224
7,088
Delaware
I don't really expect a P115D or P130D. I do think a bigger pack is coming, likely within a year or two - but I think that will be either a P115T or a P130Q or the like - separate motors for each rear wheel or for all four wheels, like Rimac and Nio and the electric SLS and C-X75.

The thing is, you either need a physically larger pack or a significant improvement in energy density to get more storage into the cars. There isn't an obvious way to make the pack physically larger, aside from the slight gain in thickness that the 2170 cells require.

The 2170 transition will presumably improve effective packing density, especially if Tesla can get end cooling and single side contacts like they've patented working effectively. That might be enough for this pack, or it might not.

Energy density improvements from chemistry? who knows when those will happen. :)

It'll be very interesting to see what Tesla offers when the S and X are retooled for 2170 cells (which may or may not happen at the same time as the anticipated interior updates) - I wouldn't be surprised if a bigger pack showed up then, but it might not, too.
 

AlMc

'When the music is on...you gotta dance' (Go Elon)
Apr 23, 2013
7,352
15,619
Delaware
my WAG: Better range will come from a combination of the 2170 cell packs and going to PM motors.
 

tpham07

Active Member
Mar 21, 2017
1,965
2,395
Rhode Island
If so, any guesses as to timeline? Is Tesla going to start using the new battery in the Model S? I just bought a 75 this year and I love it. I'm already thinking about upgrading to the P100D, but if something better will be out soon I'd rather wait.

absolutely no on new batteries in this decade.

Tesla Model S, X has no plans to use 2170 battery cells, says Musk

Screen Shot 2017-09-04 at 9.28.08 PM.png


unless i lived in a rural area i would never buy a 100D for a $25k price premium over the 75.
 

FutureShock

Best Coast Denizen
Aug 30, 2017
455
480
NorCal

Yeah, but what else is Elon supposed to say? If he cops to any kind of near- or medium-term increase in Model S battery capacity, sales instantly tank 'til the upgrade happens. With ppl only willing to take the previous now 'bad' models unless pretty serious discounts/incentives are offered.

So if Elon talks, Tesla loses a lot of money. :(

I have no idea what the timetable is on a Model S capacity upgrade, but I do know we probably won't hear 'bout it until it hits. Or maybe like a week or two beforehand.

But even with the strong secrecy incentive, you can see some things that make a Model S battery capacity upgrade pretty much inevitable. For one thing, sales cannibalization from the (lower-than-S-margins) Model 3.

IOW, it's not helpful at ALL to MS 75 and 75D sales to have a $44-49k Model 3 with the long-range pack significantly outrange the 75/75Ds for far less money. On top of that, we're now hearing that the 3 will have both AWD and Air Suspension coming as options.

What then does the 75/75D have to justify its much higher price tag? Roominess? Status? Slightly faster 0-60 times? Yeah, there's a cost delta to be had there, but likely not $30K of it.

Then there's the 'Tesla-wannabee' competition, from companies like Lucid, Faraday, and others, who are already announcing they'll have 130 kWh cars. Easier said than done (and Faraday in particular looks like they'll go up in flames before ever selling a single vehicle), but if any of them do, and Tesla's still stuck at 100kWh for the Model S, they'll be caught flat-footed. :confused:

So I'd expect that it's probably a question of 'When' and not 'If' regarding larger battery packs for the Model S. Even a relatively modest bump to 85kWh for the base S would be very helpful at reducing sales cannibalization from the 3... though of course a similar bump to the 100D would then be necessary to keep the new 85s from cannibalizing 100D sales.

Not fun or cheap for Tesla, margins-wise, assuming they want to keep the same pricing.

So while I think they'll have to do something there, they're financially incentivized not only to keep it quiet for as long as possible, but also NOT TO DO IT for as long as possible, too. Tesla is still a money-losing company, after all.

But if 75/75D sales start to flatline due to the 3, or 100D sales get hurt due a competitor finally launching something of note, then yeah, Tesla's hand will be forced.

IOW, don't bet against it happening, but don't bet on knowing when it'll happen, either. 'Cuz the very few ppl who do know, they ain't talking.
.
 
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sandpiper

Active Member
Sep 25, 2014
2,833
2,322
Ontario, Canada
absolutely no on new batteries in this decade.

Tesla Model S, X has no plans to use 2170 battery cells, says Musk

View attachment 245763

unless i lived in a rural area i would never buy a 100D for a $25k price premium over the 75.

Elon also said that he saw no reason to go above 85. And then they did.... twice. And he's also comment that they expect an increase fo 5%-ish annually.

I see these comments as an attempt to keep the speculation at a simmer level, and the keep the Osborne monster at bay. Anybody in Elon's shows would do the same.

I'd say that we're likely to see a 110 in the next 2 year. But what do I know? :)
 

Pezpunk

Active Member
Aug 12, 2016
1,637
15,657
Bristow, VA
My P100D has been top of the food chain for a full year now. That's too long for the flagship product of a tech company like Tesla to remain stagnant.

I hope they do release a "Q" model or "P130D" or some kind of upgrade and update soon.
 

Chaserr

Hyperactive Hyperdrive
Sep 5, 2017
2,666
6,523
Logan
On the linked Tweet that there were no plans for a change in cell form factor, not the capacity itself. So, greater density 18650 cells or a rearrangement that allows more of them would increase total capacity without changing the cell form factor without making him a liar. The question is, how much higher capacity can 18650 batteries be developed into? The arrangement itself is probably close to as dense as possible already, so really we're looking at higher capacity cell availability as a limit.
 

tpham07

Active Member
Mar 21, 2017
1,965
2,395
Rhode Island
There might be higher Kwh batteries, but no new form factor. But from what i've heard, the 100kwh is pretty dense and well packed already. Not sure how much more power they can squeeze into that pack without redesigning it completely, which Elon said isn't happening.
 

scaesare

Well-Known Member
Mar 14, 2013
8,569
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NoVA
I'd suggest it's likely we'll see something above 100 in the not-too distant future, however I'm not sure if the jump will immediately be as high as 115-130. I suspect those asserting "absolutely not before the decade is out" might be surprised.

Reasoning/factors:

- It took only 4 yrs to have 2 major jumps on the top end battery: 85->90->100.

- It's already been more than a year since the 100 was released... which would make it nearly 3-1/2 years from the 100 introduction to the end of the decade.

- One of those jumps was chemistry related (silicon anode 90's) and one was packaging related (crammed more cells in to 100 packs)

- Chemistry advancements continue yearly (JB estimates 7-8%/yr, although those jumps may be "aggregated" for a pack release).

- Tesla clearly continues to innovate on pack design: we've seen patents for different cooling architectures, etc..

- The existing pack casing may be already be able to accommodate taller 2170 cells, which means taking advantage of ~14% more vertical space for cell volume. (Even if Elon tweeted no current plans to do so, it's another 2.5 yrs before the end of the decade)

- The Model 3 LR has range approaching the Top of the line Model S. As range is something that Elon has discussed as a differentiator for the high-end cars, I' suspect additional margin there would be desirable.


While all of the above certainly isn't conclusive, I do think there's enough factor to suggest that it would seem to be a break from the past for them to not continue pushing the envelope...
 

R.S

Active Member
Mar 8, 2015
1,196
1,080
Munich, Bavaria, Germany
- It took only 4 yrs to have 2 major jumps on the top end battery: 85->90->100.

- Chemistry advancements continue yearly (JB estimates 7-8%/yr, although those jumps may be "aggregated" for a pack release).

Chemistry improvements don't accuse yearly. Those 7-8%, or less depending on who you ask*, is the average improvement per year. That doesn't mean Tesla has a new cell each year with 7-8% more energy. They maybe have a new cell two years later, with 13% more energy. Or 3 years later with 20% more energy. The improvements happen in research, but they don't build a new mass market cell each year.

And I do think the new cell chemistry used in the 2170s allows for more energy per cell, probably less than 30% though*. The question is when the S and X will get it and in which form. Will they use 2170s, or rather improved 18650s? Maybe they will wait for a next generation Model S/X platform to do those changes.

The other question is if they will use all of the improvements to just increase range. Maybe it would make more sense to make the battery smaller, save weight and costs and keep some space for improvements, if needed. Is a 400+ mile EV even desirable?

*Here is JB's quote on battery improvements and the improvements between the original S cells and todays 3 cells:
“These batteries are steadily improving every single year – maybe around 5% improvement in their energy density their ability to store energy in a given amount of mass. That’s probably one of the key metrics we worry about. And when we went from the Roadster to the Model S, they have improved by about 40% and when we were designing the Model 3, they were about another 30% better. That improvement just continues on every single year in the background.”
 

scaesare

Well-Known Member
Mar 14, 2013
8,569
15,059
NoVA
Chemistry improvements don't accuse yearly. Those 7-8%, or less depending on who you ask*, is the average improvement per year. That doesn't mean Tesla has a new cell each year with 7-8% more energy. They maybe have a new cell two years later, with 13% more energy. Or 3 years later with 20% more energy. The improvements happen in research, but they don't build a new mass market cell each year.

That was my exact point... you even quoted it: "..although those jumps may be "aggregated" for a pack release."
 
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