Microsoft claims the Zune's battery provides 8.5 hours video playback. That's long enough that your eyes should be worn out long before the battery.
Images by iFixit, used by permission
Cracking Open the Microsoft Zune HD
by Mark Kaelin | September 18, 2009, 11:40am PDT | Image 5 of 30
Back plate
Back plate - Image 5 of 30
