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Subject: Re: Battery charging
From: Johan Vromans (
Date: 2003-12-06

scott <> writes:

> --- Johan Vromans <> wrote:
> > And even that is not enough for real big transfers at slow speeds
> > (USB1). See FAQ 71.
> does that apply to both the recorder and the FMR?

I can't speak for an FMR.

For the recorder, the hard drive requires about 1000mA to write, the
power supply supplies 600mA, and the batteries have a capacity of
1500mA. This gives a max of 3.75 hours of sustained copying. At 12Mbps
(USB1 speed) this is in the ultimost optimal situation about 16Gb. In
practice, the througput is significantly less.

-- Johan

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