Fire alarm systems need to be inspected, tested and tagged annually. Testing must include all smoke detectors, manual pull devices, annunciators, visual indicators and strobes, control units, voice/alarm communications systems and any other devices that are a part of the fire alarm system.
it will need a port like this one to get more power from the usb since it only give 5.0 volts and this powered usb give up12 to 24 volts so you dont have that in a laptop and there is no way it could raise the power on the usb port in a laptop without damaging something .http://en.wikipedia.org/wiki/Powered_USB.
This article provides the information on Power surge on the USB port â Unknown USB Device needs more power than the port can supply - Windows 10. Power surge on the USB port. If you expand it it says Power surge on the USB port â A USB device has malfunctioned and exceeded the power limits of its hub port.