Cannot use accessory - this accessory uses too much power

Trying to charge my iPhone 15 pro max on my anker portable charger and I get the error message “Cannot use accessory - this accessory uses too much power”.


Has anyone ever seen this? I find it hard to believe that the portable charger uses too much power on the brand new iPhone but not on the iPhone 12 Pro, does that mean my portable charger is worthless with the new iPhone? TIA

iPhone 15 Pro Max

Posted on Sep 24, 2023 07:22 AM

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4 replies

Dec 11, 2023 11:01 AM in response to mrbaker08

I am now getting this same error message but for different reasons. I have an iPhone 13 Pro and have been using the camera adapter to connect to my stereo RCA inputs. This has worked for several months. Now, I'm getting error message that my accessory uses too much power. Could this be caused by a recent update? I tried to re-start my iPhone but that doesn't help.

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Cannot use accessory - this accessory uses too much power

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