There is a problem with charging the car. What should I do?

[Ssun0108]

"I always charge 80% of the target charge." My cell phone says 80% on the screen and it says that it can travel 183 miles, but when I check it on the actual vehicle, it is only 79% charged and the mileage is 172 miles. And as soon as I'm driving, the numbers keep dropping within a mile from 79 to 78 to 77. What's this about? Is it just me?

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[azerik]

It's what happens when the car battery is warm or cold, or cooler.
What happens when charging is when it hots 80% it shuts down the charge. Reality is it's 79.95% at that moment in time at that temperature. The battery could be warmer because charging warms the battery a little. Then the car sits over night and it cools. That 79.95% at say 90 degrees at 1am could cool to 79% at 75 degrees because the battery meter rears the available power at the temperature.

Colder battery has a lower available kW than with the same kW available at a warmer temp. It's showing you useable power. If you left the car in the heat of the day you might get in and see 81%

When driving it re-guesstimates, possibly from the battery temp lowering from the coolant in the battery being a different temp than at the sensor.

 

[Mach-Lee]

"I always charge 80% of the target charge." My cell phone says 80% on the screen and it says that it can travel 183 miles, but when I check it on the actual vehicle, it is only 79% charged and the mileage is 172 miles. And as soon as I'm driving, the numbers keep dropping within a mile from 79 to 78 to 77. What's this about? Is it just me?

That's somewhat normal. There's some error in the battery % measurement, especially when there are changes in temperature between when you change and when you drive.

I agree the software could be better about this.

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