Looking passed the absolutely insane answer here, no one has even brought up the whole issue of AC vs DC. Batteries are DC, while your fridge that plugs into your wall running on AC. I know they make DC ones, but it isn’t like they are interchangeable.
I am on the lemmy Sync app. Select the post and tap in the profile icon. Then, on their profile page, at the top, under their name is a selection of other links. Scroll to the right and you will see an option to block the user. Refresh the page and this will all be gone, including your post and mine.