Storage PowerVault MD3820f battery warning

Hello, 

We got this below warning on our storage  PowerVault MD3820f:

!----- Event ---------------------------------------------------------------

Module             : DELLSTORAGE

Error Code         : 303300

Resource Id        : 1.1.3.2.1.3

Timestamp          : Thu May 25 20:48:13 CET 2017

Model Description  : Dell Storage:Warning trap

Active Description : Battery insufficient capacity for backup after learn cycle

Event Type         : 5

Probable Cause     : 521

Severity           : warning

Orig Source IP     : 10.172.255.2

Sequence Number    : 60

---------------------------------------------------------------------------! 

We replaced the battery with new one, unfortunately the same warning still remain. Please any suggestions or workaround.

Thanks