KW used per charge

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Chuckm949

Member
Joined
Mar 18, 2017
Messages
14
I have a meter set up that records how much KW is used. For the past week it shows just over 8KW used in a 24 hour period. This is one full charge as the commute is 24 miles and time in standby mode. The standby mode used around 0.03 kw. This seems high (not the standby amount).
 
Sounds about right to me. I thought the battery was rated at 8Kw, though it doesn't fully discharge. Seems like you get 6.6kW before it's "empty".
 
There is an inverter inside the e-tron that takes household AC and charges the batteries. Inverters and chargers are not perfectly efficient devices so there will always be a loss between your meter and the EV batteries.

Do you use 110v or 220v charging at home? That will also affect your efficiency. 220v will be more efficient.
 
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