How can I overcome the browser storage limitations and being able to store more than 500 Mb of files?

I have a PWA application where the user must take several photos while offline. Those are then sent to the server once the user is online again.

How can I overcome the browser storage limitations and being able to store locally all the photos taken?

I'm currently using Indexed DB to store the files. The user will take at least 500 Mb of pictures.