iPhone 15 Pro Max thinks charger is an Accessory?

My iPhone 15 Pro Max keeps giving me the message “cannot use accessory - this accessory uses too much power” but it’s for my USB-C wall charger, not an accessory. It keeps charging as normal, but the alert keeps going off every couple of minutes. I charge my phone at night and I’m a light sleeper so it’s pretty annoying. Any idea how to stop this?

Posted on Sep 27, 2023 7:10 PM

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Posted on Oct 1, 2023 5:56 AM

It sounds like your iPhone is seeing the mains adaptor as an accessory which needs to be charged from the iPhone. This suggests it is an uncertified third party charger which does not comply with USB-C specifications.


My advice is to test with and use a fully certified and approved power adaptor and USB-C cable, ideally genuine Apple to eliminate all doubt about compatibility.

65 replies

Jan 25, 2024 11:24 PM in response to peppapeppa

I too was not told this during time of purchase. I just assumed a new phone would come with a new charger. Cord and block. Upon looking in the boxes contents post purchase, I asked where the **** the charger was…. and of course they start throwing all their deals for”accessories” around….Like huh?? Since when did chargers become accessories? So annoying! They should tell people this prior to completing sale. It is pretty vital information. Not everyone has that sh** laying around, or other apple products to charge on. (Ok, yes i’m sure the vast majority does) but still, it’s a charger it should come with a brand new phone that’s over $1000 point-blank.

Mar 5, 2024 8:30 PM in response to letizia273

Hi there everyone, I have just received my new iPhone 15. upgraded from the iPhone 11.

I am 72, not an idiot but also nowhere near as au fait with the technology as you youngsters.

I opened the box containing the phone and the charging cable but no "plug".....

I have several of those white plugs already. I looked at the actual cable and both ends are identical. I plugged one end into the "15" but saw that compared with the "11" cable, the end is much smaller and therefore looks too small to go in to the plug! I managed to put it in without forcing it and turned it on. Now, I am not sure whether nothing is happening because I have not set up the 15 yet or whether I have done the wrong thing. Isn't this a bit weird? Why make the cable a different size to the actual plug hole?

I am scrolling through all sorts of instructions online but nothing seems to mention the actual plug! I do hope I am making sense everyone and hope I can get some help. Unfortunately I am bedridden right now due to recent surgery, so cannot get in to the APPLE shop.

regards everyone from Sydney, Australia

Mar 15, 2024 12:27 PM in response to mattsturges

Almost feel a bit guilty that my wall plug usb-c to usb-c charges my 15 fine, as well as C/C cable in my MacBook Pro. However two different new powerbanks, one of which jump starts a pickup truck if required, can’t charge my 15 without the accessory message everyone on this thread has had thrust in their faces when needing some juice. Yeezus, mind blown 🤯🙄

Maybe I’ll accidentally on purpose lose my phone again in Amsterdam, similar to last week, so I have an excuse to use my bulletproof backup 11 again 🫳🎤💥

Mar 20, 2024 2:03 PM in response to faith185

I’m having the exact same issue with my 15 pro. While I a. Using a 3rd party adapter, I am using the cord that came with the phone. I have charged my 15 pro with this adapter for the last two days (and my 13 pro for about 1.5years), but I just started getting the warning message now.


The third party adapter does meet all of the recommended specifications; could there be another reason?

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iPhone 15 Pro Max thinks charger is an Accessory?

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