I found the following USB to AC adapter Home 110VAC to USB 5v 2000mAh wall adapter power port at Vapor Kings. Can it be used safely with the little USB plug on my Echo? Would the output from it burn up that little USB plug?
Yes it should work fine. Things like chargers only draw the power they need from the USB port. So if the port can supply 2A but the charger only needs 500mA, that's not a problem, the charger will still draw 500mA.
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