Eletric Question about Fans and USB

easyeasyeasypi

Commendable
Aug 19, 2016
4
0
1,510
Hi everybody,

I need help!

If I have a USB port that has
5V .5amps, and 2.5w,

can I power a 12V .1 amp 1.2 watt fan?

If so, how many can i power??
 

kanewolf

Titan
Moderator
MERGED QUESTION
Question from easyeasyeasypi : "How many fan for a 5v USB"



 

easyeasyeasypi

Commendable
Aug 19, 2016
4
0
1,510


How about a fan with: DC5V/0.09A(90mA)/0.45W.

and

what's the max that i could get per usb?