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Charging mp3

By hakstone
Jan 14, 2009
  1. Can you charge a mp3 using the usb port when the computer is off ?
     
  2. SNGX1275

    SNGX1275 TS Forces Special Posts: 10,704   +397

    I doubt it, but it might matter on what type of computer and its BIOS settings. I would say that 98% of computers won't have any power going to the USB ports when the computer is off. If you put the computer into standby/sleep (not hibernate) mode though the ports may still get power.
     
  3. hakstone

    hakstone TS Rookie Topic Starter

    I kind a figured, I was hoping not to have to turn it on just to charge mp3.
     
  4. SNGX1275

    SNGX1275 TS Forces Special Posts: 10,704   +397

    You can likely buy somethign to plug that USB into that will charge it. The USB spec needs to have a +5V and a ground, thats all there is for power, and I think it ranges from like 4.5-5.25V although I may be a bit off. So if you can get 5V to it on the right pins you should be ok.
     
  5. hakstone

    hakstone TS Rookie Topic Starter

    Thanks, but i have closets full of gadgets. The battery life is 10 hrs, hopefully it won't be a big deal.

    Thanks for the info.
     
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