The charger of the Samsung S20 and the charger of the Galaxy S20 are 25W fast charging, and the phone also supports 15W wireless charging and wireless reverse charging. Accelerated Wireless Charging 2.0 is currently available for wireless charger docks, dual wireless charging docks, and other Samsung devices that support 10W or more wireless charging.
The S20 comes with a 4500mAh battery, and both the Galaxy S20 and Galaxy S20 support 25W fast charging, as well as 15W wireless charging and wireless reverse charging.