This Samsung wall charger with 40 Watt Super Fast Charge capability uses Power Delivery (PD) to provide the most efficient charge possible. Any PD device, including: 

Samsung Galaxy S8 Samsung Galaxy S8+ Samsung Galaxy S9 Samsung Galaxy S9+ Samsung Galaxy S10 Samsung Galaxy S10e Samsung Galaxy S10+ Samsung Galaxy S20 Samsung Galaxy S20 5G Samsung Galaxy S20+ Samsung Galaxy S20 Ultra 5G Samsung Galaxy S20+5G Samsung Galaxy S21 5G Samsung Galaxy S21+5G Samsung Galaxy S21Ultra Samsung Galaxy Note 10 Samsung Galaxy Note 20 Samsung Galaxy S22 5G Samsung Galaxy S22+5G Samsung Galaxy S22 Ultra5G Samsung Galaxy Fold 2/3 Samsung Galaxy Z Flip 3 5G   : Nintendo Switch and more type-c port devices