AW: C123 Battery Pinout

Konrad Meier meierk at informatik.uni-freiburg.de
Sat Mar 27 10:30:47 UTC 2010


Riemer, Bjoern schrieb:
> 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.

Maybe it's like the nokia 3310:
http://www.embedtronics.com/nokia/fbus.html
Read the section: "Nokia 3310 Battery connections"

I don't have a Phone here, so i can just guess.

> 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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