Battery discharging while plugged in

Edgar D' Souza edgar.b.dsouza at
Sat Sep 6 06:49:57 CEST 2008

On Fri, Sep 5, 2008 at 9:07 PM, Mike Montour <mail at> wrote:
> That might be normal - the charger in the PCF50633 shuts off the charge
> current once the battery is full, and turns it on again when the voltage
> falls below a threshold. It seems that it can discharge quite a bit
> before charging switches back on - in one test my battery got down to
> around 75% before it started to charge again.
> The GSM modem draws current directly from the battery so this will cause
> the battery to discharge when the charger is off, even when the rest of
> the phone is powered by USB.

Ah! Valuable information - thanks, Mike! :-)

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