The backup batteries used are the same as what goes into most standard home alarm systems. If you have the manual for your nbn inside box it even tells you how to hook it up!
It is a large battery that you plug anything you want into. DC > AC.
A good one also has the ability to flick in instantaneously if there is a cut. It is also a power regulator, and guards against spikes.
FWIW, I keep my 12v deep cycles I have for car trips/festivals/camping trickling away, and if things go wrong, hook them up to the little porta inverter.
Keeps the laptop and TV going for a good 6 -8 hours.
Yep, that works, but doesn’t safeguard you against power dropouts - which is the main reason i use them. I can’t afford to lose power and kill a drive.
Been a long time since I was up that way TBH, … and I don’t remember BM proper, …but Melton & Rockbank etc, looked like they fell out of the Mad Max film set back then.
Flat empty dry yellow land broken up by nought but the old Rock fences,… and the odd sad looking gum.
Whenever I see the end of Shawshank, when Red goes to get the cigar box under the rock, near “The” tree, . I can’t help but think of that area up there.