Does the VW Id.7 have a heat problem when charging?

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[christiankarsten]

Hi Chris, the difference in Voltage is nearly nothing. There are about 100 cells connected in series. So the difference is 0.06V per cell. I think the battery in your test car was slightly warmer and newer that results in lower resistance, and lower resistance means less voltage while charging (Ohms law U=I*R). The only explanation for the drop can be that the cooling cannot keep up with the higher temperatures on your test day.

[malakudi]

You need to become a bit more technical for such content to be informative. Use OBD interface and Car Scanner to monitor battery temperature. Starting from lower percentage and warmer weather might be the issue alone and having nohing to do with SW 5.0 or Tourer differences. Probably your ID7 would perform the same on similar situation, charging from 6% and not 10 and warmer weather.

[DreamMedia]

Hi.
After the last update at the end of June ID. buzz behaves similarly during charging, first the maximum charging power, then for about 7 minutes the power drops to 50kW, it starts to increase to 80kW and accelerates again to the maximum at a given percentage, plus it charges more strongly by about 5kW of charge than before the update, finally the charging time is identical.
I reported it to VW, apparently it is set to high temperatures if the air conditioning was used before loading. During charging, if the air conditioning is on in the car, the car does not cool the battery, then it will display a message that it is turning off the interior cooling to cool the battery and it lasts a maximum of 7 minutes, then the fans are running.

[oskarjonsson]

Did you walk in and out of the car? Because TeslaBjörn noticed a bug in the new MEB when you come back to the car and sits down the fan stops and the charge power drops for a while

[xXxMnuxXx]

We saw also on Bjørn videos, after it’s reaching 51 degrees the power drops. The problem could be resolved if the AC system will try to cool down to battery to 24-25 degrees before charging. I’m curious if this issue appears also on sw 4, if you could taste on your car in a warm weather.

[yvesvandenbroek]

The actual KWh delivered was always pretty close to each other 🤷‍♂ Less top buffer?

[TassieEV]

Aren't you also on Facebook in case someone doesn't have IG?

[martinnnbeno]

Hello Chris - the R744 CO2 refrigerant is less effective for cooling than 1234yf refrigerant. So maybe Heat pump cars can occur rapidgate earlier than cars without heat pump.

[pauladams]

I really like your videos, you do a great job but I would prefer if you had done some research before coming to video with speculation.
You're very experienced, so I don't think you are far from the truth.
The speculation invites more speculation from some of your audience.