The 40W Dynamic Power Adapter with 60W Max is uniquely designed to dynamically deliver up to 60W of output, providing a powerful boost in charging speeds.¹ With Dynamic Power, you get many of the same benefits of higher-wattage chargers in a compact, pocket-size form factor to make charging at home, in the office, or on the go faster and more convenient than ever. For fast charging, pair the Dynamic Power Adapter with iPhone 17 models (50 percent battery in around 20 minutes) or iPhone Air (50 percent battery in around 30 minutes). Compatible with USB-C–enabled devices. Charging cable sold separately. 40W Dynamic Power Adapter with 60W Max