Top price for a quality UPS that is both line interactive and pure sinewave
525W is enough to power most WFH setups but you will need more juice for running a high end gaming setup
To check run time for your particular setup, enter the total watts against "Run time for load" on this page -
https://www.apc.com/au/en/product/SMV750CAI/apc-easy-ups-lin…
Get some IEC C14 to Aus 3 pin mains plug adapters if you plan to connect standard power devices like routers and wall chargers
how long would this power more simple demands like a nbn ntd, router and/or small nas?