hunter315 Champion May 12, 2009 10,653 3 51,960 Jul 12, 2010 #2 Normally USB is restricted to 500mA at 5V, the higher power USB ports available on some power supplies are generally willing to provide 1A which can be good for USB devices like fans or little heaters. Upvote 0 Downvote
Normally USB is restricted to 500mA at 5V, the higher power USB ports available on some power supplies are generally willing to provide 1A which can be good for USB devices like fans or little heaters.