Does this have a safety feature that stops charging when the device is charged 100%? October 03, 2018 10:01 Updated Follow Once the device is charged to 100%, it will enter standby mode. Related articles Can this charger be used on a 220 volt outlet? Where and when can I expect my refund Returns Policy What are the output specs on this charger? What is the difference between Quick Charge QC 2.0 and QC 3.0?