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Blue VW ID4 Pro S Gradient
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Discussion Starter · #1 ·
I an having an issue with the ID4 wireless charging area. I was on a trip last night and placed my phone on the pad to charge. I received a notice the phone was charging and approximately 20 minutes later a message came up saying the phone could not be charged and to remove from the charging area. When I did the phone was extremely hot (had a case on it) and there was a temperature warning notice on the phone. The phone is an Apple iPhone 12 (Not Pro). The phone cooled off after about 30 minutes and as far as I can see there is no damage to the phone. However, now I am hesitant to use the charging pad for my phone. Has anyone else had issues with their wireless charging pad making the phone very hot? This is a US Car - ID4 Pro S Gradient.
 

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ID.4 1st Edition White / Lunar Grey
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I'm puzzled. The only way a wireless charger can impart heat on your phone is if the charging coils are doing their job, and the battery is charging. The pad isn't a hotplate, after all. Do you show any sign of charge at all? (I'm not an iPhone user; on Android there's a graph displayed under the Battery settings that shows the discharge / charge curve.)

The other way the phone gets hot is through use -- WiFi, BT, screen on. Were you running Car Play this whole time? Does the phone get noticeably warm running CarPlay while not charging?

I'll tell you this: the ID.4's charging pad is woefully underpowered (5 watts) so it shouldn't be capable of heating your phone up that much.
 

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I have had a similar issue. When I use the charger on the way to work in the morning, I have no problem. But when I charge on the way home (the car is much hotter then here in S. FLA) after about 20 min CarPlay freezes and my phone is very hot. I have to reboot the phone to get it to work again. I began plugging into the USB C port and no problems.
 

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ID.4 1st Edition White / Lunar Grey
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...when I charge on the way home (the car is much hotter then here in S. FLA) after about 20 min CarPlay freezes and my phone is very hot. ...
So I'm curious, does your battery gain charge in any significant way while overheating?
 

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Blue VW ID4 Pro S Gradient
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Discussion Starter · #5 ·
I'm puzzled. The only way a wireless charger can impart heat on your phone is if the charging coils are doing their job, and the battery is charging. The pad isn't a hotplate, after all. Do you show any sign of charge at all? (I'm not an iPhone user; on Android there's a graph displayed under the Battery settings that shows the discharge / charge curve.)

The other way the phone gets hot is through use -- WiFi, BT, screen on. Were you running Car Play this whole time? Does the phone get noticeably warm running CarPlay while not charging?

I'll tell you this: the ID.4's charging pad is woefully underpowered (5 watts) so it shouldn't be capable of heating your phone up that much.
I was using google maps for the trip and was also listening to Pandora - both were using Apple CarPlay. Maybe that was what was causing the phone to become hotter?
 

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So I'm curious, does your battery gain charge in any significant way while overheating?
I think it gained some, but not as much as it should on the 45 min drive home from work. I will pay more attention the next time I use the wireless charger
 

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Blue VW ID4 Pro S Gradient
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Discussion Starter · #7 ·
So I'm curious, does your battery gain charge in any significant way while overheating?
I am not sure. The over temp notice was on the phone for about 30 minutes. I reached my destination and left my phone in my car. When I returned it was back up but I am not sure the level of the charge prior to putting it on the charging mat compared to the level when I returned to the car.
 

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ID.4 1st Edition White / Lunar Grey
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Ok, thank to you both. My LG's discharge flattens out but doesn't really gain any charge, and my wife's Pixel loses charge (and generates constant charging / disconnected messages). And neither gets warmer than they would under normal AA / streaming use. I've got to play with it more to see if I'm missing the sweet spot for coil alignment.
 

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the phone was extremely hot (had a case on it)
Is there any metal in your case? That could generate some heat. You could try it without your case, since some have reported better wireless charging.
 

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My android phone gets very warm when wireless charging in the ID4, but not on the wireless charging base at home. And I am not connected to android auto.
 

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Ok, thank to you both. My LG's discharge flattens out but doesn't really gain any charge, and my wife's Pixel loses charge (and generates constant charging / disconnected messages). And neither gets warmer than they would under normal AA / streaming use. I've got to play with it more to see if I'm missing the sweet spot for coil alignment.
Like you, on my Samsung Note 20 I find I get very little charge from the charging pad. I seem to use more streaming through android auto that the pad can't keep up. I've tried moving it around but the results seem to be about the same so I've resorted to just using a usb C cable to charge using the rear ports as they show up as "fast charging" on my phone.
 

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ID.4 RWD Pro S Dusk Blue
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My iPhone 11 Pro gets warm when wireless charging not matter which wireless charger I use. When using it with CarPlay, it gets noticeably hot as both Apple Maps and Google Maps cause the phone to get hot (in my previous car that had only wired CarPlay it would get hot as well). So combining the wireless charging with CarPlay usage it is unfortunately and expectation that the phone will get hot. Like others, I have now changed to using USB-C to charge the phone when using, to minimize how much heat is being generated. (Now I only wish I could find how to turn off wireless CarPlay and just use the USB-C for that.)
 

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It is true that qi wireless charging is less efficient than wired, i.e. greater heat generation.

However, some of my my wired chargers charge my phone batteries at a higher rate than my wireless, and they get pretty dang hot.

But with screen / BT / wifi / nav all running, a good portion of this heat is coming from the CPU, not just the battery.

Perhaps shoving the phone in a rubber lined cubby vs. clamping it in in an open air holder in front of air vents isn't such a good idea. I'm suddenly rethinking installing a 10 watt charging matt in there to boost performance. Maybe I'll just be killing my phone.
 

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I an having an issue with the ID4 wireless charging area. I was on a trip last night and placed my phone on the pad to charge. I received a notice the phone was charging and approximately 20 minutes later a message came up saying the phone could not be charged and to remove from the charging area. When I did the phone was extremely hot (had a case on it) and there was a temperature warning notice on the phone. The phone is an Apple iPhone 12 (Not Pro). The phone cooled off after about 30 minutes and as far as I can see there is no damage to the phone. However, now I am hesitant to use the charging pad for my phone. Has anyone else had issues with their wireless charging pad making the phone very hot? This is a US Car - ID4 Pro S Gradient.
Same happened to my iPhone 11 pro Max, it wouldn't charge but gets very hot instead
 

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ID.4 1st Edition
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Sometimes my iPhone 12 "phone charging" is display annunciated and sometimes not. 🤷‍♂️

No exceptional heat with mine but then rarely a trip of more than 45 minutes.
 

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ID.4 1st Edition
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"Vehicle" settings icon.
btw: somehow my temperature display got changed recently from F to C. But then I may have inadvertently hit a settings button addressing another item.

Screen Shot 2021-05-27 at 8.57.02 AM.png


does anyone know how / where to change the display from Miles to Kilometres?
 

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The charging cubby will overheat my iPhone 12 mini. I had my phone in there for a trip and was unfortunate to find it overheated when I stopped to use the EA charging station. I don’t recommend storing a phone in there.
 
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