Replace battery in suspend

Sat May 9 18:00:24 CEST 2009

Am Samstag, 9. Mai 2009 schrieb Joerg Reisenweber:
> Am Sa 9. Mai 2009 schrieb Christian Rüb:
> > Hi,
> > 
> > is it possible to do the following:
> > * power off GSM
> > * suspend
> > * plug external USB power supply (can do 100,500 and 1000mA)
> > * open device and exchange battery
> > * resume again
> > * power on GSM
> > * (optional) unplug USB power supply
> > 
> > I do not have a second battery (yet) but this scenario might occur while GPS 
> > tracking and not having the possibility to charge. I already have this 
> > external USB battery but it will not be enough to cover all the time I need 
> > my Frerunner running. 
> > 
> > I read somewhere that the GSM alway gets its power directly from the 
> > battery, thus my interest in turning it off before suspending. Can this work 
> > or might this even break anything? 
>> It's perfectly safe to swap battery while hooked to >= 500mA USB-power (GTA02 
> only! Never do this on GTA01 unless you know exactly what you're doing).
> Your considerations regarding GSM are correct, it needs a re-init after new 
> bat inserted. Alas this seems to be a broken function in SHR atm.
>> cheers
> jOERG
>
Thank you all for your replies. So is GSM power down and up equal to a reset and would do the thing?
Related question - does anyone know an external charger for the 2nd Freerunner battery? Is it a good idea to use one of this cheap 5€ Nokia chargers, that are capable of charging a mobile and battery at the same time?
Cheers,
 Christian