Thread: USB Power Adapter
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Old 08-17-2010, 11:45 PM   #23
zoran
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Quote:
Originally Posted by KjellM View Post
The problem is that some electronics want a response over the USB digital path to set their charge current level - the USB controller in a computer can tell a unit how much current is available, or the unit can tell the computer how much current it needs. There are some AC-to-USB chargers that have a chip in them that will do the basic dialog with the unit so it will charge.
How this one looks regarding that:

http://www.elive.co.nz/logitech-939-...bhub-p2050.php
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