dev builds
themes manual
device status forums
mailing lists
IRC bugs
dev guide

Rockbox mail archive

Subject: Re: Incorrect battery level indication?
From: Thomas Heuving (
Date: 2003-11-30

Hans Baumeister schrieb am Sun, 30 Nov 2003 19:02:03 +0100:
> Everything is supie, except for one thing: while the battery voltage is
> given as 4.85 V (which would seem to be the maximum you can squeeze out of
> four 1.2V NiMHs), the battery "level" is given as 20%, both in the main
> screen as well as in the debug mode. I've got the unit on the charger, but
> I'm a little afraid I'll overcharge the batteries.

No, 100% means something above 5.3 V. Don't ask me why, 'cause I
thought also that 4 Cells with 1.2 V each results in about 4.8 V,
but that's not the case.
You surely can trust the charging algoritm in rockbox, it won't


Thomas Heuving

Page was last modified "Jan 10 2012" The Rockbox Crew