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iPhone X Charging on 12w usb power adapter

Aljon

Aljon

macrumors member
Original poster
Aug 1, 2019
55
7
Hi, i just bought and first time to use a 12w USB power adapter on my iPhone X, My question is, My iPhone X is getting (hot) i mean WARM on 12w USB power adapter is that a normal? i started charging around 20%, but when i use my 5w that includes on the box its not that hot

-Thank you i hope you can answer my question Good day!

Edit: But when reaches around 60-70% the phone is getting cool again.
 
Last edited:
Aljon said:
Hi, i just bought and first time to use a 12w USB power adapter on my iPhone X, My question is, My iPhone X is getting hot on 12w USB power adapter is that a normal? i started charging around 20%, but when i use my 5w that includes on the box its not that hot

-Thank you i hope you can answer my question Good day!
Click to expand...
My phones (max, xr)get slightly warm...IMO, HOT is not normal.
 
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The 12 watt charger will heat up the battery more than the 5watt charger. I use both and the 12 watt charger definitely heats up the phone more. More current going in = more heat. No way to avoid it.
On hot days at home I place a small frozen blue ice block in a sock and set the iPhone on it. Keeps the temperature down but not too cold
 
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More power = More heat.

I assume that you're using the phone while you're charging it. This creates additional heat. You will feel it in your hands if you don't have a case on. Best practice for battery longevity is to keep heat down. If you're going to fast charge the device (and yes, I do know that the 12W is NOT a true fast charger), limit phone use.

Regardless, batteries are expendable objects and using them while you charge them probably won't affect their life over the long run in any appreciable way. Just use the phone and enjoy it. The iPhone has built in protection and safety measures that will keep it within an acceptable operating temperature (which could include a temporary shutdown depending on circumstances).
 
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I7guy said:
My phones (max, xr)get slightly warm...IMO, HOT is not normal.
Click to expand...
my bad not hot as hot just warm.
Azathoth123 said:
Is it an Apple charger?

Is it in a case?

I used an Apple 12w charger for years, IP6, X, and XS with no problems.
Click to expand...
Yes its Apple Charger, i removed the case everytime i charge, its not hot its just warm my bad.
now i see it said:
The 12 watt charger will heat up the battery more than the 5watt charger. I use both and the 12 watt charger definitely heats up the phone more. More current going in = more heat. No way to avoid it.
On hot days at home I place a small frozen blue ice block in a sock and set the iPhone on it. Keeps the temperature down but not too cold
Click to expand...
I see, so its normal my bad on saying the word "HOT" its just warm unlike the 5w its cool.
internetrando said:
More power = More heat.

I assume that you're using the phone while you're charging it. This creates additional heat. You will feel it in your hands if you don't have a case on. Best practice for battery longevity is to keep heat down. If you're going to fast charge the device (and yes, I do know that the 12W is NOT a true fast charger), limit phone use.

Regardless, batteries are expendable objects and using them while you charge them probably won't affect their life over the long run in any appreciable way. Just use the phone and enjoy it. The iPhone has built in protection and safety measures that will keep it within an acceptable operating temperature (which could include a temporary shutdown depending on circumstances).
Click to expand...
Im not using it while charging, sorry for the word of "HOT" its just warm unlike the 5w before its cool. BUT When reaches around 70-80% my phone is not getting warm anymore.
Newtons Apple said:
Hot is not good for batteries.
Click to expand...
Sorry i must say warm
 
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