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Jeroen W. Pluimers on .NET, C#, Delphi, databases, and personal interests

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How much USB power does a device use or provide? Apple Computers and Displays: Powering peripherals through USB

Posted by jpluimers on 2012/05/28

Two quotes:

Apple peripheral devices may request more than 500 mA (Milliamps) at 5 V (Volts) from a port to function or to allow for faster charging. Such Apple peripheral devices include:

  • Apple MacBook Air SuperDrive (when connected to supported computers)
  • Aluminum Wired Keyboard*
  • iPod
  • iPhone
  • iPad

Open System Profiler to find more information about peripheral power requirements, or contact the manufacturer of your peripheral. For the most accurate information about power usage, make sure your device is connected directly to your Apple computer or display before opening System Profiler.

All this because of the iPad charging challenge.

–jeroen

via: Apple Computers and Displays: Powering peripherals through USB.

This entry was posted on 2012/05/28 at 06:00 and is filed under Apple, Gadget, Power User. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

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