Charging watt
How many watts of charger can i use in my iphone Xs Max so that my phone does not get any trouble
iPhone XS Max, iOS 14
Question marked as
Using a higher wattage power adapter won't harm your phone. You can use, for example, a Mac 96 watt power adapter. 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.
and see information in: Fast charge your iPhone - Apple Support