USB Amperage?

Discussion in 'MacBook Air' started by Silver5656, Aug 24, 2011.

  1. Silver5656 macrumors member

    Joined:
    Feb 24, 2010
    #1
    does anybody know what the amperage of the usb ports are? typical .5a or the 2.1 (i think?) needed to charge the ipad?
     
  2. iphonsteve4ajob macrumors regular

    Joined:
    Aug 6, 2011
    #2
    Not too sure... this might help. Check out the second from the last post. Member "hundleton1" seems pretty knowledgeable.

    http://forums.macrumors.com/showthread.php?t=888587
     

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