Can I use MacBook Air charger to charge my iPhone 12 pro max
Can I use MacBook Air adapter to charge my iPhone 12 pro max is it safe ??? And will it effect my battery health
iPhone 12 Pro Max, iOS 14
See the following from: Charge your iPhone with an iPad or Mac notebook power adapter - Apple Support
You can use Apple USB power adapters for iPad and Mac notebooks to charge iPhone, iPod, Apple Watch, AirPods, and other Apple products.
Also see: Fast charge your iPhone - Apple Support