AW: C123 Battery Pinout

Riemer, Bjoern bjoern.riemer at fokus.fraunhofer.de
Sat Mar 27 10:15:16 UTC 2010


Hi,
i already tried this with an half charged nokia battery and the phone doesnt bootup. i only used the bare circuit board without the housing. is there a switch to chek if the case is closed and the phone only works when the case is closed? maybe i have to try it with a fully charged battery. 
what is the voltage and oinout of the charger?
i guess 5v DC and + in the middle?
 
Bjoern

________________________________

Von: Steve Markgraf [mailto:steve at steve-m.de]
Gesendet: Fr 26.03.2010 17:09
An: Riemer, Bjoern
Cc: baseband-devel at lists.osmocom.org
Betreff: Re: C123 Battery Pinout



Hi,

Riemer, Bjoern wrote:

> Can someone told me pinout of the battery Connector so that I can
> connect a nokia battery?
>
> Or can I use a 5v power supply and connect it to the charger port and
> the phone boots without a main battery?

If you open the battery compartment, you see the connector on the
bottom, starting from left:

- / TEMP / +    (SIM Connector)

Just attaching a charger doesn't work. But you can can basically attach
any charged 3.7 Volts LiIon/LiPo battery, the pin between - and + isn't
needed for operation (charging excluded).

Regards,
Steve



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