Rockbox mail archiveSubject: RE: some Ideas about Batteries in Powermanagemant
RE: some Ideas about Batteries in Powermanagemant
From: Holger Lembke <holger_at_hlembke.de>
Date: Sun, 19 Jan 2003 23:54:56 +0100
> These quick changes aren't usual. Your batteries or your unit could be
I'm broken after paying the box, thats all what is broken here.
The reason of voltage drop is that I heavily used usb to transfer 100++ mb
to multiple pcs. It was not the normal music use.
> The "resolution" is enough. In the middle part of the courve, the
> voltage has a linear form there.
I used the wrong words. I should have said 'almost constant voltage'...
> I also had this idea some months ago. I already started to write a test
> version of this kind. But I rejected this idea after some tests.
> If you charge/uncharge the batteries completely every time, it may work.
> But if you charge/decharge only litte amounts, it will drift off very
Even if you calculate the loading, too? (You sure thought about that, I
> HL> Or use the history (that from charging) for a better calculation?
> In which way? If you have ideas, let us know.
I had the vague feeling, that the voltage recovered after use. Before
turning it off it showed less capacity than what I saw after turning it on
again. And that it stayed at a higher level it had before turning off (I
vague remember seeing something about 40% before off and 55% after turning
-- Holger Lembke Keep your Mailbox SPAM free: +49-531-334676 Disruptor OL http://hlembke.de/dol/Received on 2003-01-19