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Supercharger charging speed... what do you get ?

ventrap

New Member
Feb 10, 2019
3
0
Montreal, QC, Canada
Hi everyone,

First post here, sorry if i's a subject that was already discussed somewhere else...
Also first time for me charging at a Tesla SC (Magog, QC, Canada) and I was really impressed by the speed of charging...
765 km/h and 116kW !!! Nice ! (although, at the beginning of the charge... it later went down a little to 550km/h, 320 km/h, etc...

Imgur

Ventrap
 

Kuhz

Active Member
Oct 25, 2017
1,898
2,058
Mars
As the battery gets filled, you will see the speed taper down. Ausually the taper starts to happen around 60%. That is why when road tripping, charge only enough to get to the next supercharger.
 

ratsbew

Active Member
Mar 3, 2012
1,180
863
O'Fallon, IL
SPL9VVp.png
 

jerry33

(S85-3/2/13 traded in) X LR: F2611##-3/27/20
Mar 8, 2012
19,541
21,787
Texas
15 minutes is about the usual time to get enough to travel to the next destination plus a bit extra. Good weather only. Moderately bad weather another five to ten minutes.
 

Dre78

Member
Dec 16, 2018
293
284
Chicago, IL
Never really more than 130ish mph/ 30ish kW. Don't know if it's the Chicago winter or the urban charger or the SoC or combo of everything, but typically takes 30m to an hour to get "enough" charge.
 

CallmeTony

Member
Jun 19, 2017
43
42
Bay Area, CA
Never really more than 130ish mph/ 30ish kW. Don't know if it's the Chicago winter or the urban charger or the SoC or combo of everything, but typically takes 30m to an hour to get "enough" charge.

It may be the winter. Temperature plays a major role in how fast you will charge. A week out of the month I travel a bit for work. On the way home I use to supercharge near my hotel and I'd get less than 25kW, even on urban superchargers. Tesla ran diagnostics and said my battery was just cold. So now I skip the first supercharger on the way home and at the next one I'll get normal SC numbers.
 
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swaltner

Active Member
Oct 13, 2012
1,587
1,567
Kansas, USA
@ventrap, Be aware that the km/hr (and mi/hr) reading on the charging screen is an average over the whole charging session, while the kW displayed is instantaneous. The km/hr display will lag on the actual slowdown, not showing you how slow the vehicle is actually charging at that specific time. The km/hr displayed also includes the several seconds that it takes to actually start charging. This means the km/hr displayed lags the actual charging speed as it both ramps up at the beginning and down as the charging speed starts tapering off.

@Dre78, The Urban Supercharger sites can provide a constant 72 kW at any time, assuming the car is able to accept that full power. If you're seeing these slow (30 kW) supercharging sessions, but don't have your battery at 70% full or higher, it's likely that your battery is a little cold. To get the full charging speed, you need to drive for something like an hour. If you see any "regen dots" below the speedometer, your battery is likely too cold to accept the full charging speed. Try charging at the end of your driving for the day when the battery is warmer than it would be after parking in the cold overnight. If you're charging in the morning after parking in the cold, try to drive an hour before attempt to supercharge. You'll eventually get the battery charged, but by trying to get the battery warmed up a little by driving the car, you should get higher kW charging speeds, particularly at Urban Superchargers where you don't need to worry about pairing of the charging stalls.
 
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RyanF

Member
Mar 27, 2016
331
299
US
In my experience Superchargers themselves vary in charging speed significantly. Seems the newer ones are all hitting the numbers advertised while the older ones lag behind in charging speed.
 
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