vCenter hardware Warning(Yellow)-Bettery on Controller 0 Charging ..."

Symptoms:

I'm receiving this warning  immediately from my ESX server which is recently  installing   on Eell PowerEdge R910:
Status: Warning
sensor  info: Battery on Controller 0 Charging ... (learn Cycle complete)

 

Resolution:

Just wait a day or less for the battery to complete  Charging， and the warning will disappear  normally .