Good news for Zune 30 users! Following the Nov 13 firmware upgrade , a lot of people are noting an improvement in battery life. To achieve this, we improved the Zune 30 codecs so they are more power-efficient, hence the better battery life. That said, we have seen some reports of a separate battery issue related to the upgrade. This problem occurs when users suspend their Zune hard drives by holding down the play/pause button – in some cases the battery continues to drain. It seems to be affecting...

Ok, I've got some battery life numbers to share: Zune has a battery life of up to 13 hours , when listening to music . Oh. . . and that's with the wireless turned on . When you turn the wireless off , Zune has up to 14 hours of battery life when listening to music, and up to approximately 4 hours for video or pictures. < Strongbad voice>And now. . . the thrilling details! </Strongbad voice> We got to 14 hours (wireless off) based on the following conditions: a single length average album...