#9859 NORM Not Tri: XO-1.5 Q3A20 inconsistent battery capacity shown in OpenFirmware

Zarro Boogs per Child bugtracker at laptop.org
Thu Dec 10 22:08:35 EST 2009


#9859: XO-1.5 Q3A20 inconsistent battery capacity shown in OpenFirmware
--------------------------+-------------------------------------------------
 Reporter:  Quozl         |                 Owner:               
     Type:  defect        |                Status:  new          
 Priority:  normal        |             Milestone:  Not Triaged  
Component:  not assigned  |               Version:  not specified
 Keywords:                |           Next_action:  never set    
 Verified:  0             |   Deployment_affected:               
Blockedby:                |              Blocking:               
--------------------------+-------------------------------------------------
 A unit was discharged while running Linux until the red battery light came
 on.

 Then it was restarted into !OpenFirmware, with ''watch-battery'' running
 along with zero backlight.  The battery capacity read 00%, but the other
 figures were not recorded.

 The black supply was connected.  The charge current was displayed as about
 2.57A.  Charging was done for between 30 seconds and two minutes; this was
 not recorded.

 The unit was disconnected from the supply, and the battery voltage slowly
 declined until the unit shut off:

 {{{
 94% 5.88V -1.15A 34C discharging
 ...
 91% 5.71V -1.18A 34C discharging
 ... red and orange flashing battery LED began ...
 91% 5.68V -1.20A 35C discharging
 90% 5.64V
 89% 5.56V -1.22A
 ... unit shut down ...
 }}}

-- 
Ticket URL: <http://dev.laptop.org/ticket/9859>
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