Using 3rd party fast charger for iphones
If I use the anker nano 20W power adapter for my iphone 12. Will it degrade my battery life?
Question marked as
It shouldn't be a problem.
See the information in Fast charge your iPhone - Apple Support including the following:
Fast charging works when you use an Apple USB-C to Lightning cable and one of these adapters:
- Apple 18W, 20W,2 29W, 30W, 61W, 87W, or 96W USB-C Power Adapter
- A comparable third-party USB-C power adapter that supports USB Power Delivery (USB-PD)
Also see: About Optimized Battery Charging on your iPhone - Apple Support