Being over charged for Super Charging

[Limpy]

I have been noticing this for several months, i brought this up to Tesla and they ignored it and told me that they are not concerned with it. I know Tesla states that it takes 10-15% more energy to to charge a car. This is 1 of many examples I have

I will fill up to 100% and drive. during that drive I will consume 42KWH

I Super Charger for 56KWH or 33% more KWH then I consumed.

This is the area that baffles me. I would than be charged for 66KWH. 10KWH more then my car was able to take.


Please help because this is costing me $3-$5 more per charge and with my car battery capacity so low i'm finding myself super charging more and more while i'm traveling.

 

[MP3Mike]

Are you using HVAC while charging? As that would be more energy used that isn't going in to the battery. Depending on temperature that could be 3-6kW of draw. (So could add 1.5-3kWhs to a 30 minute charge.)

So if 56kWh went in to the battery, 3kWh went to HVAC, and other accessary usage, and then you add 12% for charging losses you come up with a delivered energy of 66.08kWh.

So it sounds like they are charging you correctly.

 

[ATPMSD]

And then there is the energy used to warm the battery. Also, if Sentry was running that is another 5-6 kWh.

 

[father_of_6]

Supercharging to 100%, as you have found out, is a waste of time and energy.

 

[Lasttoy]

U must turn everything off. Also outside temperature changes charging cost to keep pack at 68 degrees.