Can I use my MacBook Pro 2017 model charger 65w with my iPad Air 4 safely ?
Can I use my MacBook Pro 17 usb c charger 65w to charge my iPad Air 4 safely ?
iPad Air, iPadOS 14
Yes. 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.
The same is true regarding using a Mac power adapter on an iPad.