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What is this orange dotted line on the charge indicator/speedometer?

SMCModelSFan

Member
Feb 18, 2013
16
0
SF Bay Area
Hi,
We are on our way from SF to LA and just supercharged to 270 at Gilroy. We had expected to get up to 290, but the charge rate dropped down to 18 mph, so we decided to continue on our way. As soon as we started driving, we noticed this orange dotted line, seeming to indicate that regen braking would not be able to contribute charge? Has anyone seen this before?
ImageUploadedByTapatalk 21363449668.009116.jpg
 

dsm363

Roadster + Sig Model S
May 17, 2009
18,278
151
Nevada
This is normal. After doing a range charge, the regen will be limited for a while until enough room is in the pack to put the power that would be collected from regen (at least how I understand it to work). The 270 is also probably a full charge if you have rated range displayed (265 EPA miles).
 

ken830

Model S 85, Model 3 Performance
Jun 19, 2012
1,111
365
San Carlos, CA
Yeah. Totally normal. The fact that you noticed the Supercharger slowing down means that the battery pack is nearly full and can not be charged quickly. Regenerative braking is therefore also limited to this lower charge rate. Which is the line you see.
 

ToddRLockwood

Active Member
Sep 11, 2012
1,317
74
Burlington, Vermont
Yeah. Totally normal. The fact that you noticed the Supercharger slowing down means that the battery pack is nearly full and can not be charged quickly. Regenerative braking is therefore also limited to this lower charge rate. Which is the line you see.

Yes, since the charge rate tapers down as the battery approaches 100%, it is more efficient—when on a trip using Superchargers—to limit your charge to 80-85%. You'll wait a lot longer for that last 10%.
 

AmpedRealtor

Well-Known Member
Jun 30, 2013
6,373
3,361
Phoenix, AZ
I believe something similar happens if left your car unplugged in extreme temperatures, your regen is limited until the battery is brought to optimal temperature. This is why it's a good idea to precondition the vehicle in extreme cold and heat prior to driving it away.
 

mknox

Well-Known Member
Aug 7, 2012
10,103
1,867
Toronto, ON
I believe something similar happens if left your car unplugged in extreme temperatures, your regen is limited until the battery is brought to optimal temperature. This is why it's a good idea to precondition the vehicle in extreme cold and heat prior to driving it away.

We call that "normal" temperatures for 6 months of the year in these parts :wink:
 

towman26

Member
Jul 5, 2013
177
4
Palm City FL
What's this line

Every time I charge the car to 100% I get the yellow hash marked line just above the 30 kW, what is it and what does it mean?? Also at a full charge I can never get more than 209, why?
 

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Tommy

Member
Mar 3, 2010
882
3
The great OC
The dashed line indicates your regen is limited; this is due to the battery being fully charged. Once you have driven a few miles the battery is able to accept charge from the regen and the line will disappear. Regarding your second question, I suspect you have the 60kWh battery and 209 miles is all the battery can be charged to.
 

FalconNinetyD

Active Member
Dec 20, 2010
1,102
12
USA
The dashed line can also be because the battery isn't up to ideal temperature, so it limits the amount of regen for a few minutes of driving.
 

islandbayy

Active Member
Feb 25, 2013
2,650
1,024
Greendale, Wisconsin
Original firmware has the dash displaying all the way up to the most powerful cars maximum, 320. Starting in firmware 4.5, the dash will read only what the maximum kWh for your specific car will be.
 

brianman

Burrito Founder
Nov 10, 2011
17,526
2,994
Original firmware has the dash displaying all the way up to the most powerful cars maximum, 320. Starting in firmware 4.5, the dash will read only what the maximum kWh for your specific car will be.
And note that this is a "UI maximum". We have data showing that 85s can exceed 320 and 60s can exceed 240, for at least brief periods.
 

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