Freerunner looses the date when battery is away for short time

Hrabosh hrabosh136 at
Mon Apr 9 11:38:37 CEST 2012

Frank píše v Po 09. 04. 2012 v 10:02 +0200:
> Am 09.04.2012 08:59, schrieb Matthias Apitz:
> > When I remove the battery from my FR, for example to change the SIM, it
> > looses now(?) the date in hwclock and starts with 01.01.2000; I have to
> > set the date and time again with
> ...
> > 	matthias
> That seems to be normal.
> My FR also looses time when the battery is removed for a short time.

AFAIR there is a backup (button cell) battery on the FR mainboard. 

PS .. My FR keeps date, time and all the settings after replacing SIM or
SD card...

> Idea: Buffer it with USB-Power?

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