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My iPhone XS is taking forever to charge on my iMac all of the sudden. It used to be the fastest way to charge. Now it takes up to an hour to charge 1%. The cord is the one that came with the computer to charge keyboard and mouse. It has worked fine up until now. It also works fine on other devices. What is going on?
iMac 24″, macOS 13.1
Under certian conditions, the iPhone can and will control the charging rate.
When if the iPhone is hot from charging, heavy usage or air temp.
When the iPhones battery level is nearing a full charge.
So this actually may not have anything to do with your iMac.
To test try using a different USB to Lighting cable.
Use a 20W wall charger instead of the iMac.
Under certian conditions, the iPhone can and will control the charging rate.
When if the iPhone is hot from charging, heavy usage or air temp.
When the iPhones battery level is nearing a full charge.
So this actually may not have anything to do with your iMac.
To test try using a different USB to Lighting cable.
Use a 20W wall charger instead of the iMac.
iPhone Charging Slowly on iMac 24 2021
