Patent ID: 11868191
Assignee: AMAZON TECHNOLOGIES, INC.
Field: Computer technology (Electrical engineering)
Classification: CPC G  H | IPC G  H

Claim 12:
13. The system of claim 12, wherein:
each of the one or more first backup battery units has a reserve charge requirement; and
the executable instructions are further configured to cause the controller to:
select a first backup battery unit for discharging from the one or more first backup battery units based on a charge level of the first backup battery unit for discharging exceeding the reserve charge requirement of the first backup battery unit for discharging;
cause the first backup battery unit for discharging to discharge to supply supplemental DC electrical power to the low-priority electronic components while the charge level of the first backup battery unit for discharging exceeds the reserve charge requirement of the first backup battery unit for discharging; and
prevent the first backup battery unit for discharging from discharging in response to detecting that the charge level of the first backup battery unit for discharging has been reduced to the reserve charge requirement of the first backup battery unit for discharging.