Rockbox General > Rockbox General Discussion

Battery life - a suggestion

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maggot_brain:
Hello everyone,

it's been a while since I've posted on the forums but I have a little suggestion for the people who are writing the documentation.  How about a little 'Optimising Battery Life' section?  I'm by no means a supergeek but do have some software and hardware knowledge.  As far as I can see the key to preserving charge is to prevent the HDD from being used too much and the CPU from working too hard.  The problem is that I am not familiar enough with Rockbox internals to know what settings to tweak.  Apparently what WPS you use is also an issue.

Apologies if this has been posted before but it seems like a good idea.  I must admit though that I've only read the X5 manual.  Rockbox for my DAP is getting to everyday usability status it seems and I'd like to know what can be done to get the most of out my battery.

Thanks to everyone who has helped in developing Rockbox.

Ananda

saratoga:
Improving battery life is mostly a matter of optimizing the codecs people are using.  Its not really something you can tweak.

Llorean:
Well, choosing the a more efficient codec or encoding at smaller file sizes, making sure your "Limits" are set to the smallest values that still work for you, and enabling disk power down, as well as having a simple, non-animated WPS without album art can all make *some* difference.

baobab68:
Not to mention turning on the directory cache option..that makes a big difference if you are navigating the file tree.

Llorean:
Yes, but Directory Cache actually worsens your battery life if you're the kind of person who, like me, just launches a playlist when he turns on the player, and doesn't navigate almost ever. So it's very dependent upon your use habits.

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