85W ultra-fast charging travel adapter With USB Type C Smartphones. Only charge 5 minutes, you can enjoy 2 hours of call time. Having a low voltage will maintain the temperature of the battery while it is being charged and does not heat up the smartphone as much as other fast charging technology. SAFETY AND DURABILITY: This wall charger has a variety of protection functions to prevent you and your device from being subjected to excessive current, overheating, and overcharging.