Quote:
Originally Posted by KryptoNyte
It seems like they could have achieved this with any standard micro-USB cable, up to and including 1.8 amps. Now that we're starting to see the emergence of devices with high powered USB ports, it sure is a bummer to have to use (yet another) proprietary cable.
I'm afraid my comment above was wrong. Greenmonkey had it right, it would seem to be a fairly intelligent cable design based on the limitations.
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Yeah. I hate proprietary cables myself. But at least this way, you can charge with standard micro-b USB in a pinch or if you lose your cable.
It must have something to do with charging speed. Because I think you can push more than the .5 amps through a standard USB cable (look at double-ended USB cables for portable HDDs....2 .5a usb cables -> one micro usb for a total of 1a), but maybe the extra pins are to help deliver that extra amperage effectively to the Nook battery.