Sorry, I don't have any access to manufacturer specific settings -- from an app's point of view, there is a "flash the LED" flag and the rest of the filtering happens "in the system".
About battery use -- thanks, and actually, I use a few tricks to save battery and traffic when working with the "better" IMAP servers (Gmail, iCloud, Yahoo, Cyrus, and since recently, the not too old versions of Dovecot).