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

Claim 0:
1. A battery backup unit (BBU) module of an electronic rack of a data center, the BBU module comprising:
a cell pack including a plurality of groups of battery cells, 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 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, and wherein the BBU module is inserted to one rack unit (1 RU) of the electronic rack as one of a plurality of BBU modules to provide backup power to one or more servers inserted in one or more RUs.