Rockbox mail archiveSubject: Re: battery problems?
Re: battery problems?
From: lovelearn <lovelearn_at_iw.net>
Date: Sun, 07 Dec 2003 18:48:42 -0600
"i'm a little surprised to learn that adapter + usb isn't enough to keep
the batteries from draining, but now that i know that that
is indeed the case."
This may seem too simple minded, but could this mismatching power demand
curve verses available power from the total of the partially charged
battery group plus the 600 milliamp wall wart power supply also be
causing reported long term recording problems?
If the hard drive is allowed to cycle on and off by the software, the
available power curve would always exceed demand while recording,
whereas if the hard drive were forced to stay spinning, eventually the
demand over 600 ma. would consume what ever currently available battery
charge existed when the recording started. Since that would be a
function of what batteries were installed, their condition, and
percentage of charge when the long recording started, time to failure
would be certain but unpredictable. Reported symptoms and this
explanation seem to match. Thoughts?
Received on 2003-12-08