Each time ceTwit refreshes it pulls about 60kbytes of data plus any
avatars that you may need to download if your using avatars. I
haven't changed anything around battery usage that I can think of but
the merged timeline does pull 3 data loads instead of one. It's been
this way since the 2.0 version.
I'll do some checking to see if I changed anything that effected
battery life in any recent updates.
vince