Hey there! The A21S supports fast charging so you’ll be happy to know that you can pop the charger on and watch it charge in speed. ^HA at Samsung Support Hello there it comes along with fast charging plug so yes it charges quick . Thanks Regards Snatch Deal Yes if you set it to fast charge it's very fast! It has fast charge so it charges extremely quickly Full charge 2hrs approx. Yes,it has a fast charge ability. Yes the phone chargers fast Yes it comes with 15w fast charger Yes####[['fast', 'Battery/Longevity#Charging Speed', 'positive'], ['charging', 'Battery/Longevity#Charging Speed', 'positive'], ['charge', 'Battery/Longevity#Charging Speed', 'positive'], ['charges', 'Battery/Longevity#Charging Speed', 'positive'], ['charges', 'Battery/Longevity#Charging Speed', 'positive'], ['phone chargers', 'Battery/Longevity#Charging Speed', 'positive']]