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Nexus 7 suddenly charging slowly
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flagpole
27-08-2013
Originally Posted by njp:
“USB charging is quite complicated when a USB host is involved. However, a Dedicated Charging Port is identified by the USB data pins being shorted out, and then the portable device is allowed to draw as much current as it likes.

So plugging one of these leads into a normal USB port would trick the device into thinking it was connected to a DCP. This may or may not be a Good Idea. It shouldn't make any difference when it is actually connected to a DCP, because D+ and D- should already be shorted out inside the charger.”

The problem is, for some reason, very few chargers actually have the data pins shorted. Which is why I want a charge only cable. But they don't specifically say that they are shorted.
Missli
27-08-2013
I've just ordered a new charger for my daughters Nexus 7, as was starting to charge erratically, and finally gave up the ghost. The original seemed to take ages to charge up.
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