Originally Posted by McKenna
I just purchased a Curve 8330 and the battery seems to drain without any real usage. The first unit I brought back drained the battery down to 5% without any real usage (receiving of 3 emails and 2 blackbery messages); while at the store talking with the clerk all I did was delete 2 email messages and the battery dropped 10%. I am now on my 2nd unit and the battery still drains really quickly.
When you had the 8330 replaced, did they also replace the battery, or only the unit?
As snowwy said, two supposedly identical batteries can actually yield very different results. You may just have a bad battery.