Battery
Can I use 20 watt charger for iPhone xr?
why it is charged 80% while charging with 20w charger?
is it harmful for battery health?
Question marked as
From the support article: About Apple USB power adapters - Apple Support
"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."
See the article for the list.
Click on this link to read about optimized battery charging on your iPhone --> About Optimized Battery Charging on your iPhone - Apple Support
- With iOS 13 and later, your iPhone learns from your daily charging habits to improve the lifespan of your battery.
- Settings > Battery > Battery Health > Optimized Battery Charging
- When the feature is enabled, your iPhone will delay charging past 80% in certain situations.