The show battery-status commanddisplays the status of the battery modules, which preserve the contents of the write cache in each RAID controller. For redundant controllers, status for both batteries is shown. Status values include: Warning, Not present, Bad, N/A, Expired, and OK. A status of Warning indicates that the battery will expire within 21 days.
If you run the show battery-status command and the battery in-service date is not set, run the show battery-status -u command. Early model battery boards were not programmed with an in-service date. The show battery-status -u command sets the in-service date to the battery board manufacturing date and prompts the user to verify the date.