nostr:npub1h4mw037vvax0dwlhyjjrdwv0wd36l2s09tdjkjyum0rhmkp07vgql3f22a It should (a) detect when it has say 10% left (b) beep while there is light present (c) allow you to shut it up with a button press (d) resume beeping with no shut up option when down to 5%.

You need both. I have pulled one off the ceiling when it started making a fuss and would not stop.