Charging devices from other original adapters
is it okay to charge iphone 12 pro from macbook 13 adapter? will it hurt battery of Macbook somehow?
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I would use the adapter came with the device. Proper connector cable is a a must to have item
"You can use Apple USB power adapters for iPad and Mac notebooks to charge iPhone, iPod, Apple Watch, AirPods, and other Apple products."
https://support.apple.com/en-us/HT202105
"You can use any of the adapters listed below to charge your iPhone, iPad, Apple Watch, or iPod. You can also use third-party adapters that comply with applicable safety standards. For more information about charging your iPhone, iPad, Apple Watch, or iPod, refer to the Safety, Handling, and Support section of the iPhone User Guide, iPad User Guide, Apple Watch User Guide, or iPod User Guide."