Rockbox Development > Feature Ideas

Offical Battery Life

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Llorean:
That'd still be pretty inaccurate. Because spinup times happen at such different points it's not at all unimaginable that a battery in one state would show Rockbox worse, and a battery in another state shows Rockbox better, due to the final spinup happening in slightly different times in the playlist for each Firmware (if Rockbox's battery lifetime were within ~30 minutes - 1 hour of the OF's on that player).

On flash player's it's different, but hard disk spinups can very much skew a set of results, especially if you're ~1 or 2% from full rather than being perfectly full in the OF (which rarely shows you accurate information beyond an image of a battery).

Since we don't have an OF battery bench, all we can do is start music, and record when it ends. You don't even have a log of voltages so you can't approximate how long it took from 90% to 10% or anything like that.

Basically, you could have an organized procedure but there's no way to ensure getting consistent output from the OF, so at best it's still a very, very loose estimate.

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