omreport battery

omreport storage battery

omreport chassis

omconfig system esmlog action=clear

omreport system alertlog | less

Severity      : Ok
ID            : 2188
Date and Time : Tue Jun 21 02:01:57 2016
Category      : Storage Service
Description   : The controller write policy has been changed to Write Through.:  Battery 0 Controller 0

omreport storage vdisk controller=0

Controller PERC 6/i Integrated (Embedded)
ID                  : 0
Status              : Ok
Name                : Virtual Disk 0
State               : Ready
Encrypted           : Not Applicable
Layout              : RAID-5
Size                : 1,394.38 GB (1497198755840 bytes)
Device Name         : /dev/sda
Bus Protocol        : SAS
Media               : HDD
Read Policy         : Adaptive Read Ahead
Write Policy        : Write Through
Cache Policy        : Not Applicable
Stripe Element Size : 64 KB
Disk Cache Policy   : Disabled

omconfig storage controller controller=0 action=exportlog
grep -i abs /var/log/lsi_*.log

T23: 	Absolute State of Charge  : 34 % 

Chances are you need to replace your battery