TMC is an independent, primarily volunteer organization that relies on ad revenue to cover its operating costs. Please consider whitelisting TMC on your ad blocker or making a Paypal contribution here: paypal.me/SupportTMC

Supercharging on 60kWh

Discussion in 'Model S: Battery & Charging' started by viet658, Aug 27, 2013.

  1. viet658

    viet658 Member

    Joined:
    Aug 11, 2013
    Messages:
    62
    Location:
    Pomona, CA
    I was wondering what the fastest rate a 60kWh Model S could charge at. I took the car to Vegas this last weekend and was only able to see a maximum of 221 mph charging at Barstow. The supercharger looked to be a 90kw unit and based on the numbers my car wasn't even drawing the full capacity available. My car was the only vehicle there as well. What has been everyone else's experience on a 60kWh Model S? IMG_0591.PNG
     
  2. SFOTurtle

    SFOTurtle Active Member

    Joined:
    Jan 21, 2013
    Messages:
    1,039
    Location:
    Los Altos, CA
    I've only supercharged a half dozen times or so at Gilroy with the older 90 SCs. Highest rate for me was 225 or 226 mi/hr for a brief time. From memory the other times were in the low 220s but a tad north of what you saw.
     
  3. viet658

    viet658 Member

    Joined:
    Aug 11, 2013
    Messages:
    62
    Location:
    Pomona, CA
    Thanks for the feedback. Does that mean the 60 kwh Model S has a lower maximum charge rate than the 85 kwh?
     
  4. rolosrevenge

    rolosrevenge Dr. EVS

    Joined:
    Feb 7, 2009
    Messages:
    1,851
    Location:
    Right behind you...
    I observed a slower charge rate on the 60 kWh pack when I was at the new Burlington SC. It makes sense if the cells are the same but the 60 uses fewer of them.
     
  5. markb1

    markb1 Active Member

    Joined:
    Feb 17, 2012
    Messages:
    2,318
    Location:
    San Diego, CA
    It's hard to judge this on the mi/hr, since that seems to be some sort of average. It's best to calculate the power from the voltage and current.

    324 V * 210 A = 68,040 W = 68.04 kW
     
  6. deonb

    deonb Active Member

    Joined:
    Mar 4, 2013
    Messages:
    3,020
    Location:
    Redmond, WA
    Yes, even at the web site, the SuperCharger rate is published in %. So it's 20 minutes to 50%, and 30 minutes to 80%.

    Of course the meaning of 50% and 80% changes depending on 60kWh vs. 85kWh, which translates into the slower charge rate you see.
     
  7. Dreamin

    Dreamin Member

    Joined:
    Aug 7, 2013
    Messages:
    165
    Location:
    SoCal
    Strange as the Tesla website shows this graph (120kW) and saying nothing about 60's charging slower than shown. Of course charging will slow down sooner than an 85 as you'll reach a full charge faster on the 65.

    charge_time.png
     
  8. SFOTurtle

    SFOTurtle Active Member

    Joined:
    Jan 21, 2013
    Messages:
    1,039
    Location:
    Los Altos, CA
    I'm assuming that this graph is not only based on 120kW SC, but also dependent on forthcoming software changes to allow faster charging longer rather than gradual tapering. No ETA on when those software changes are going to be rolled out.
     
  9. deonb

    deonb Active Member

    Joined:
    Mar 4, 2013
    Messages:
    3,020
    Location:
    Redmond, WA
    The "How it works" section on that same page is explicit about %'s.
     
  10. Bound466

    Bound466 Member

    Joined:
    Dec 31, 2011
    Messages:
    204
    Location:
    Rancho Cucamonga, CA
    I hit 300 mph with my 60 the first time I used a supercharger. That was at Tejon Ranch. I don't think I've hit that high in a while though.

    e6u2unu3.jpg
     
  11. apacheguy

    apacheguy Sig 255, VIN 320

    Joined:
    Oct 21, 2012
    Messages:
    3,715
    Location:
    So Cal
    it still comes out to roughly 69 kw even though it reports 300 mph on the screen, which is slower than 90 kw max.
     
  12. viet658

    viet658 Member

    Joined:
    Aug 11, 2013
    Messages:
    62
    Location:
    Pomona, CA
    #12 viet658, Aug 27, 2013
    Last edited: Aug 27, 2013
    I'm not sure how your car is showing 300 mph when the kW calculation is at about 70 kw. My car was charging at about 68 kw but only showed 221 mph.
     
  13. TurboFroggy

    TurboFroggy Member

    Joined:
    Dec 5, 2012
    Messages:
    287
    Location:
    Everett, WA
    The MPH of charging will vary depending on your currently rated wh/miles so it will vary depending on driving conditions. When Supercharging, the actual rate is the KW rate. Change you display to show KW or multiply the volts * the amps (the first amps number, as the second one is the maximum possible, the first one is the current amps).
     
  14. gg_got_a_tesla

    gg_got_a_tesla Model S: VIN P65513, Model 3 Res Holder

    Joined:
    Jan 29, 2010
    Messages:
    6,097
    Location:
    Redwood Shores, CA
  15. brianman

    brianman Burrito Founder

    Joined:
    Nov 10, 2011
    Messages:
    15,487
    I'm confused by this. I thought it was based on Rated not Projected, aside from that bug a few firmware versions ago.
     
  16. Doug Gallarda

    Doug Gallarda P03915

    Joined:
    May 6, 2013
    Messages:
    58
    Location:
    Austin, TX
    We just talked about this in the Texas Supercharger thread.

    60's max out at 70kW no matter what. Only 85's can come close to 90kW.

    Hopefully this will change with v5.0. Has anyone with a 60 running v5.0 seen a difference at a 120kW supercharger?
     
  17. drees

    drees Active Member

    Joined:
    Jun 23, 2009
    Messages:
    1,121
    Location:
    San Diego
    You will note that when supercharging your 60 kWh Model S, Voltage is typically in the mid 320V range with current in the low 200A range. Current appears to be limited to 225A regardless of what size battery you have, but voltage is different.

    Anyway, at the same SOC, the 85 kWh will have a voltage reading up near 400V with similar current and remember that Power = Current (I) * Voltage (V).

    400V * 225A = 90 kW
    315V * 225A = 71 kW

    The screenshots indicate a maximum of 255A, but I suspect that will happen with the the 120 kW rollout.
     
  18. bluetinc

    bluetinc Member

    Joined:
    May 11, 2009
    Messages:
    682
    Location:
    MD
    On my 85kWh, I regularly see Supercharging currents in the ~250A range.

    Peter

     
  19. Larry Chanin

    Larry Chanin Model S Perf Sig 1055

    Joined:
    Aug 22, 2011
    Messages:
    4,283
    Location:
    Sarasota, Florida
    The release notes for firmware version 5.0 do not mention enabling 120kW charging on 120kW Superchargers.

    http://www.teslamotorsclub.com/showthread.php/20140-Firmware-5-0?p=412266&viewfull=1#post412266

    Larry
     
  20. ChriZ

    ChriZ Member

    Joined:
    Jun 7, 2013
    Messages:
    149
    Location:
    United States
    I wanted to bring this thread back since most of us have 5.8 now. I've been noticing different rates since 5.5 update. I'm a regular at the Fremont SC and I've usually start my charge around 40 miles of range left.

    On 5.5, I've seen highs of 70kwh per hour and usually around 65kwh when it fires up.

    On 5.8, it maxes out at 54kwh per hour.

    Are you guys getting the same rates at the same low charge starting point? I'm kinda dissapointed it's not 120kwh as advertised but I'm still grateful for what I'm getting so I can go on road trips.
     

Share This Page