Rockbox mail archive
Subject: Re: FM Recorder battery levels
From: Andrew Jamieson (ajamiesn_at_optusnet.com.au)
> As I mentioned in another post, I believe the basic battery levels on the
> FM Recorder model are being read wrong. The current values show a scale
> from 4 volts downwards, but surely, despite the new battery type, it is
> still 4 x 1.5 volt batteries, for a maximum of 6 volts? The harddrive
> still needs 5V, yes?
Li-Ion batteries scale from a max of 4.2 under charge to the ~3.5 when flat.
This pdf gives you a good overview on the tech
There are either two cells (= 7.2V nominal, but from what I have read I dont
think there are), or the FM has a step up to power the HDD.
Page was last modified "Jan 10 2012" The Rockbox Crew