I'm at 19000 miles on my 60kW. Range Charge Yields 204 Miles. I do not baby my pack. I use it as I would any other vehicle. I've range charged 60-70 times since getting the car (No point in not if I'm not going to make it home otherwise). I do not leave it sit at range mode. I do 90% charge daily. If it is going to be a long range kind of day, then I range charge 1 hour before going.
I've had my Model S as of writing this, 7 Months, 2 weeks 8 Hours 54 minutes.
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You did not mention how many miles on your vehicle. As for me, The day it was delivered, my Range charge was 209 miles. Now, one note, I have not let my pack balance recently. Usually, when doing a range charge, it will hang on 5minutes or 1 minute remaining for 20 minutes to a hour. I have not had the luxury of letting it complete that charge. When it does that, that is when the pack is getting balanced. So after some balancing, my range might be even better. I do know I have been draining the crap out of my pack lately. Due to the extreme cold (we hit -30*F Beginning of the week for example) and that taking a toll on range (Heater use, pack warmer, cold weather inefficiencies etc.. but mostly pack warmer and heater use), so my car is most likely really out of balance.
Just dropped it off tonight at Highland Park Service Center due to more water in my tail lights, so my car will finally be out of the cold (It's a driveway car so cold soaked daily), and being nice and warm, I will range charge it their (remote app when the plug er in) and see what I get. Temperature DOES MAKE A HUGE DIFFERENCE, though, not really until you get below about 32*F is when that difference is noticeable. Example, if my rated range is 204 miles then the car is nice and toasty warm, and I move it outside and let it cold soak, that range will drop down to say, 190, or even have seen as low as 182. But move that car back into a warm heated garage, and watch the range climb back up to 204 as the pack warms from the ambient heat.