Since it requires 5v mA of power the most ideal method of powering the device is through a power outlet. Yes, the Amazon Fire Stick does need to be plugged into a power source in order to function. The most common question we receive about the Fire TV stick is Does Firestick Need to be Plugged in For Power? If you’ve just recently purchased a Fire TV stick or are considering purchasing one then we’re sure you have a number of questions about the device.