Patent ID: 11949116
Assignee: BAIDU USA LLC
Field: Electrical machinery, apparatus, energy (Electrical engineering)
Classification: CPC H  Y | IPC H

Claim 18:
19. An electronic rack of a data center, comprising:
a plurality of rack shelves, at least one of the rack shelves configured to receive a server shelf having one or more servers therein, wherein each server includes one or more processors and memory to store instructions, which when executed by the one or more processors, cause the processors to perform data processing operations;
a power supply unit configured to provide power to the servers; and
a battery backup unit (BBU) shelf inserted into one of the rack shelves, wherein the BBU shelf comprises:
a plurality of BBU modules, wherein each BBU module comprises:
a cell pack including a plurality of groups, each group including a plurality of battery cells, wherein:
the cell pack includes two or more groups adjacent in a longitudinal direction and two or more groups adjacent in a first direction,
the longitudinal directions of the plurality of battery cells are aligned so that they are parallel to a top surface of the BBU module and the battery cells are arranged in a plurality of rows that extend in the first direction, wherein the plurality of rows do not overlap in a direction perpendicular to the longitudinal direction and the first direction, and
the battery cells in each row are longitudinally staggered relative to the battery cells in an adjacent row;
wherein the plurality of battery cells in each of the plurality of groups of battery cells are connected in parallel and the plurality of groups of battery cells are connected in series, wherein the longitudinal direction of each of the plurality of battery cells is parallel with a top surface of each of the plurality of groups.