Increase your iPod(HDD based) battery life.

Here is a step by Step guide to expand your battery life on your iPod Video if you had it for a while.
1.)Make sure your iPod Video is connected to the computer and open up my computer
2.)Right click on your iPod’s drive.
3.)Click Properties and then click the Tools Tab and hit De-fragment Now
4.)Then once a window comes up with all the hard drives on your computer click on your iPod’s Drive once
5.)Then hit Defragment. This May take a while depending on how much space you’ve used on your iPod.