Quote:
Originally Posted by HarryT
The current rating of the charger is simply of specification of the maximum current it's able to supply; it's always the device being charged which determines what current to actually draw. It's fine to use a charger with a higher maximum current rating than a device requires, but not good to use a charger with a lower current rating than a device requires.
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That is of course true in the physics sense, current is drawn not pushed. I'm just unsure how USB specification exactly works vis-a-vis these kinds of parameters, so I'd leave that hanging in the air a little. For example, there seems to be some fluctuation in the voltage range in the specs.