Quote:
Originally Posted by OtinG
I don't own an Echo Input, but looking at the specs I see it requires a 5W power source that plugs into a standard micro-USB port on the side of the Echo Input. Most modern smartphones and small devices and tablets (except for Apple) use a standard micro-USB charging/power port. At 5W it is a fairly low power source, lower than the Dot generation 2 which used a 9W power source, and most modern smartphone power sources which use a micro-USB cable would likely work. If your desktop charging unit can put out 5W and can be used to run a micro-USB cable to the Echo Input, then it should work. I think the Echo Input comes with a power supply that you can use to plug into an AC outlet.
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For the less-electricly-inclined, check your desktop USB charger label for an output of 1 Amp (1000 mA) or more. If it can charge a power-hungry iPad, you're almost certainly OK.