[Power] Unbalanced charge after storage

[James Cameron]

On Wed, Dec 09, 2015 at 04:57:50PM -0500, Richard Smith wrote:
> On 12/07/2015 02:41 AM, Nathan Riddle wrote:
> >Unbalanced charge after storage
> >XO-1 Batteries
> >
> >More XO-1‘s received for service have failing batteries after long term
> >storage. The battery LED is green (full charge), but the battery will
> >not power the XO-1. The batteries were / are NOT defective. One or both
> >of the two cells in the battery were discharged. The battery as a whole
> >may have read 0 V at the connector, but the cells showed residual charge.
> 
> Does bat-recover fail to charge these batteries?

Yes.

Not even power delivered to the case connector would charge the sample
I've received.

Here's the EC serial log when this battery is inserted, before the
battery was "repaired", that is:

!!POI!!
20111103-
Ver:1.2.1
WDT:0
00,OEMPwrInit
PlatformID:c2
C1 IOMap
0:PwrInit2
InitSysOff
SysPwrOff

MAIN_ON OutLOW
AC In
153:SCI:40
1007:SCI:10
Found Bat: 35 bc 66 03 00 00 00 a2 
LDSOC = 97 LDACR = 0
27157:Battery Valid
29075:  LCS:3 CFC:0 CHG=0 Vavg:0x0000
Chg Off
29082:dSOC=97 ACR=11
29086:SCI:04
29089:IgnSCI:02
30054:  LCS:4 CFC:0 CHG=0 Vavg:0x0000
31025:  LCS:11 CFC:0 CHG=0 Vavg:0x0000
31031:Starting trickle charge
Chg Off
31036:dSOC=5 ACR=11
31040:SCI:04
32003:  LCS:12 CFC:0 CHG=0 Vavg:0x2ec2
32010:SCI:02
32975:Trickle charge complete
33937:  LCS:7 CFC:0 CHG=0 Vavg:0x25ef
34899:  LCS:8 CFC:0 CHG=0 Vavg:0x1106
bogus full flag
35864:  LCS:8 CFC:6 CHG=0 Vavg:0x09fb
35871:SCI:02
36830:  LCS:8 CFC:1 CHG=0 Vavg:0x047b
37794:  LCS:8 CFC:2 CHG=1 Vavg:0x36bd
37801:SCI:02

-- 
James Cameron
http://quozl.netrek.org/