I saw it in a review, so idk

Some models support it. I had one from PowerAdd

They are, kinda. You can buy a power bank that can be charged and still output energy

Sure you can do that, but please backup your data before attempting the conversion, in case anything goes wrong

I really don’t want to know, how much that domain cost

Sounds like you could also use a image downloader browser extension for that

Then this method probably won’t work for you

You can try printing the page