Thread: PRS-650 USB Power Supply for 350/650
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Old 09-25-2010, 09:30 PM   #36
mwheinz
award-winning bozo
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Posts: 258
Karma: 172703
Join Date: Sep 2009
Location: Philadelphia
Device: Kobo Libra 2
Quote:
Originally Posted by elcreative View Post
You don't pump wattage into anything, a device draws as much current as it needs
But the device can only draw as much current as the source can provide. A device that needs 2A isn't going to get that from a 500mA AC charger.
Last edited by mwheinz; 09-25-2010 at 11:10 PM.
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