HP mp5001 - Apple iPod Mini User Manual page 55

Battery States
When iPod is not connected to a power source, a battery icon in the top-right
corner of the iPod screen shows about how much charge is left.
Battery less than 20% (red)
Battery about halfway charged
If iPod is connected to a power source, the battery icon changes to show that the
battery is charging or fully charged.
Battery charging
Battery fully charged
You can disconnect and use iPod before it is fully charged.
Note: Rechargeable batteries have a limited number of charge cycles and may
eventually need to be replaced. Battery life and number of charge cycles vary by
use and settings. For more information, go to
http://www.hp.com/go/music/battery
Using iPod 55