Rockbox General > Rockbox General Discussion
Battery Utilization observations/questions --- (not again!!!!)
Llorean:
So, evidence then shows that the Apple firmware's settings don't affect Rockbox, as you were told in the beginning?
TexasRockbox:
Not certain. I still can't explain the jump from 4h49m to 14h 0m in the WPS. Something changed. I was also told that the WPS battery indication is beyond worthless -- evidence shows the battery plugin data would seem to indicate that the battery data would have some worth (if utilized properly) as a general indicator of battery time remaining.
Llorean:
You were told the time remaining is worthless. I don't understand why you seem unwilling to accept this. What SVN revision were you using when it said 4h49m?
The percent remaining isn't useless, but it's not strictly accurate. But it's not the only thing used to create the estimate for time remaining.
TexasRockbox:
The exact time remaining isn't really such a big deal to me -- I was just reporting a sudden change in value that seemed to coincide with making changes to enabled features in "ipod mode". When it was 4h 49m it was probably a build from a day or two earlier than the 070716 build.
I'm not trying to hold anyone accountable for the accuracy of the time or percentage remaining. I've seen it reported time and again that the firmware was based upon some educated guesswork and perhaps trial and error. Whether or not it is 100% accurate or 0% accurate is of no real matter. Data was requested, data was gathered. If some of the data gathered is meaningless (although it does seem to be generally close), so be it.
What does matter is that I'm getting 12h of playtime with some bass and treble boost playing into a 16ohm load with OGG Q7 files. That makes me very, very happy.
PaulJam:
I could imagine that the change in the remaining runtime estimation is related to this change:
http://svn.rockbox.org/viewvc.cgi?view=rev&revision=13885
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