What is the power input rating for each port? Alex February 07, 2019 17:45 Updated Follow Approximately a broad voltage input range of 100-240V. Related articles Other than wattage output, what are the significant differences between the 30w wall charger and 75w travel chargers? Can you use both ports simultaneously and is it recommended? Can I charge my Nintendo Switch with this? Comments 0 comments Please sign in to leave a comment.