Think of all the devices that will stop working when your power goes out. These would include your wi-fi network and Internet router/modem; which nowadays also provides the underlying infrastructure for your land line phone that is now delivered in Australia via the National Broadband Network (NBN). Popular Science has reviewed a number of Battery Backup solutions that will enable your critical electronic devices to continue working when the lights go out. Read their review here.
Leveraging Drone and IT Technologies