AZBill

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Yes, preconditioning is for winter.
Unless you live in the hot Arizona desert. My battery got so hot the other day the car started conditioning the battery while parked in my garage in the afternoon. It was pulling 3 kw from the wall for about 30 minutes. It started about 6 hours after completing charging, when the ambient temperature got to 110F. There is no way you can go to a fast charger with the battery already at 110F, you will start to damage the battery at 115F or higher.
 

dan_meh

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Unless you live in the hot Arizona desert. My battery got so hot the other day the car started conditioning the battery while parked in my garage in the afternoon. It was pulling 3 kw from the wall for about 30 minutes. It started about 6 hours after completing charging, when the ambient temperature got to 110F. There is no way you can go to a fast charger with the battery already at 110F, you will start to damage the battery at 115F or higher.
Tell me your thoughts about battery preconditioning and I’ll tell you what region you live in 😆.

I also had this same thing happen for the first time here in Virginia. A couple of weeks ago, my car, parked in full sun during a three digit temperature (F), alerted me to plug in to condition the battery. I did, and boy did the fans kick on. It was new to me.

It was a lesson in battery conditioning. I doubt the car would let me DC Fast Charge in those conditions, so I would need it to recognize that we’re on our way to a charging station and cool off. It’s why having all available stations is so important.
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