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 Post subject: Does the car battery charge while idling?
PostPosted: Fri Mar 26, 2021 11:37 am 
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Joined: Fri Mar 26, 2021 11:18 am
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I have a 2017 a3 e-tron. Was very sad when I learned it's missing the "Charging" mode, so I'm left with Hybrid, EV-only and Battery Hold. As discussed in another topic.

When the charge drops to 0 or 1 km, the car sometimes idles (warmed up, and pretty warm outside, on red light etc) with the gas engine on. I was wondering if it was also charging the battery pack?

Cheers from Poland!


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 Post subject: Re: Does the car battery charge while idling?
PostPosted: Wed Mar 31, 2021 1:11 pm 
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Joined: Fri May 29, 2020 7:22 am
Posts: 25
Gabrys wrote:
I have a 2017 a3 e-tron. Was very sad when I learned it's missing the "Charging" mode, so I'm left with Hybrid, EV-only and Battery Hold. As discussed in another topic.

When the charge drops to 0 or 1 km, the car sometimes idles (warmed up, and pretty warm outside, on red light etc) with the gas engine on. I was wondering if it was also charging the battery pack?

Cheers from Poland!


I do not know the answer to your particular question, but I have found that with my 2017 the battery will recharge (not fully) when driving in Sport mode. It will go from 0 to about 8 or 9, but never back up the the 24-28 mile range I see when fresh off the charger.


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 Post subject: Re: Does the car battery charge while idling?
PostPosted: Wed Mar 31, 2021 3:10 pm 
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Joined: Thu Oct 24, 2019 12:34 pm
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tmwes wrote:
It will go from 0 to about 8 or 9, but never back up the the 24-28 mile range I see when fresh off the charger.

I've never had my EV range read over 22-23 miles after charger on my 2017. The most I get now is about 19 miles. Do you think battery needs replacing yet?


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 Post subject: Re: Does the car battery charge while idling?
PostPosted: Thu Apr 01, 2021 6:25 am 
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Joined: Fri May 29, 2020 7:22 am
Posts: 25
bruuster wrote:
tmwes wrote:
It will go from 0 to about 8 or 9, but never back up the the 24-28 mile range I see when fresh off the charger.

I've never had my EV range read over 22-23 miles after charger on my 2017. The most I get now is about 19 miles. Do you think battery needs replacing yet?


If you got it recently and you're still in cold weather, that seems about right. Next time you start after a full charge, turn off the heat and see if the number bumps up a bit.


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 Post subject: Re: Does the car battery charge while idling?
PostPosted: Thu Apr 01, 2021 8:21 am 
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Joined: Thu Oct 24, 2019 12:34 pm
Posts: 33
tmwes,

I've had my 2017 for over a year and live in Los Angeles so it doesn't get too cold. It's weird. I have a 220V charger. All accessories are off.

Sometimes an overnight charge will give me 21mi. Sometimes 18mi. I've tried with both 100% and 50% charge power. Sometimes it's only plugged in for 2 hours and I'll have 22mi. Not consistent.

Even in usage.
I'll show 19mi range, drive to the end of the block (less than 1/4mi) and the range will drop to 17mi. I guess the range gauge is really just a rough estimate.


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