3 hours in the background seems a lot to me.

I started the app clean and configured it from the start (it was a pain in the ass because I migrated my settings from Sync for Reddit lol) and the issue still remains, having this huge background usage prevents my phone from going to deep sleep properly which lends to a bigger battery drain.

EDIT: BTW the issue is gone when I set the app to restricted battery mode instead of optimized… But I’d rather keep it in optimized as it closes less often in the background, that is how I had it with Sync for Reddit, which on average its active background was several minutes only.

EDIT 2:

This is the process that Battery Guru/BBS says shows

job/io.syncapps.lemmy_sync/androidx.work.impl.background.systemjob.SystemJobService#9188