FR works but can't charge battery

Joachim Ott jo.omsl at googlemail.com
Sat Feb 28 21:13:19 CET 2009


2009/2/28 Steve Leung <sjleung at shaw.ca>:
> Hi.  I hope someone can help here...
>
> My FreeRunner can't charge its battery.  Even when plugged in to USB or
> the wall, the phone can't/won't charge.  Eventually the battery
> discharges completely and although I have an external charger, this
> isn't good.
>
> I've also verified the same problem with a friend's Nokia BL-5C battery,
> so it seems to be something wrong in the FreeRunner.
>
> When ssh'ed in over USB, when I cat:
>
> /sys/devices/platform/bq27000-battery.0/power_supply/bat/uevent
>
> I get:
>
> POWER_SUPPLY_NAME=bat
> POWER_SUPPLY_TYPE=Battery
> POWER_SUPPLY_STATUS=Discharging
> POWER_SUPPLY_VOLTAGE_NOW=4220000
> POWER_SUPPLY_CURRENT_NOW=171750
> POWER_SUPPLY_CHARGE_FULL=1122051
> POWER_SUPPLY_TEMP=243
> POWER_SUPPLY_TECHNOLOGY=Li-ion
> POWER_SUPPLY_PRESENT=1
> POWER_SUPPLY_TIME_TO_EMPTY_NOW=23700
> POWER_SUPPLY_TIME_TO_FULL_NOW=3932100
> POWER_SUPPLY_CAPACITY=96
> POWER_SUPPLY_ONLINE=0

Can you look at what the current limit for charging is?

cat /sys/class/i2c-adapter/i2c-0/0-0073/usb_curlim

For the wall charger I get "1000".

Then there are some packages on this page that you could try:

http://wiki.openmoko.org/wiki/Forcing_fast_charge_mode



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