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A battery module includes a plurality of electrochemical cells arranged in a first row and a second row offset from the first row. The battery module also includes a heat exchanger configured to allow a fluid to flow through the heat exchanger. The heat exchanger is disposed between the first and se

A battery module includes a plurality of electrochemical cells arranged in a first row and a second row offset from the first row. The battery module also includes a heat exchanger configured to allow a fluid to flow through the heat exchanger. The heat exchanger is disposed between the first and second rows of cells and has a shape that is complementary to the cells in the first and second rows of cells so that an external surface of the heat exchanger contacts a portion of each of the plurality of electrochemical cells. The heat exchanger is configured to route the fluid between an inlet and an outlet such that a path of the fluid flow includes a plurality of adjacent fluid flow segments.

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1. A battery module comprising: a plurality of electrochemical cells arranged in a first row and a second row offset from the first row;a heat exchanger configured to allow a fluid to flow therethrough, the heat exchanger disposed between the first and second rows of cells and having a shape that is

1. A battery module comprising: a plurality of electrochemical cells arranged in a first row and a second row offset from the first row;a heat exchanger configured to allow a fluid to flow therethrough, the heat exchanger disposed between the first and second rows of cells and having a shape that is complementary to the cells in the first and second rows of cells so that an external surface of the heat exchanger contacts a portion of each of the plurality of electrochemical cells;a housing that receives the plurality of electrochemical cells; anda bracket that retains a sensor in contact with one of the plurality of electrochemical cells, the bracket comprising a pair of opposing arms that retain the sensor and having a first end that engages a first opening in the housing and a second end that engages a second opening in the housing;wherein the heat exchanger is configured to allow heat conduction between the fluid and the plurality of electrochemical cells via the external surface; andwherein the heat exchanger is configured to route the fluid between an inlet and an outlet such that a path of the fluid flow includes a plurality of adjacent fluid flow segments. 2. The battery module of claim 1, wherein the fluid flows through the adjacent fluid flow segments in a first direction from a first end of the heat exchanger to a second end of the heat exchanger along a length of the battery module. 3. The battery module of claim 1, wherein the fluid flows through a first fluid flow segment in a first direction from a first end of the heat exchanger to a second end of the heat exchanger and flows through an adjacent fluid flow segment in a second direction different than the first direction. 4. The battery module of claim 3, wherein the inlet is adjacent the first end of the heat exchanger and the outlet is adjacent the second end of the heat exchanger. 5. The battery module of claim 3, wherein the inlet and the outlet are adjacent the first end of the heat exchanger. 6. The battery module of claim 1, wherein the housing has an internal surface configured to contact a portion of the exterior surface of each of the plurality of electrochemical cells, the housing having an external surface substantially complementary to the internal surface of the housing. 7. The battery module of claim 6, wherein the external surface of the housing is configured to nest with an external surface of a housing of an adjacent battery module within a battery system to provide an efficient use of space within the battery system. 8. The battery module of claim 6, wherein a top portion of the housing comprises a plurality of openings having a first diameter and a plurality of openings having a second diameter, wherein each of the plurality of openings having the first diameter are configured to receive a first terminal of one of the electrochemical cells and each of the plurality of openings having the second diameter are configured to receive a second terminal of one of the plurality of electrochemical cells, wherein the first diameter is different from the second diameter such that the plurality of electrochemical cells are provided within the housing in the proper configuration. 9. The battery module of claim 1, further comprising a structure configured to be coupled to a bottom portion of the housing, the structure comprising a plurality of features configured to aid in properly positioning each of the electrochemical cells within the battery module. 10. The battery module of claim 1, further comprising a plurality of mounting members at a first end of the housing, at least one of the mounting members arranged orthogonally with respect to the other mounting members to provide multiple configurations in which to mount the battery module within a battery system. 11. The battery module of claim 10, further comprising at least one aperture within each of the plurality of mounting members. 12. A battery module comprising: a heat exchanger provided between a first row of electrochemical cells and a second row of electrochemical cells arranged offset from the first row of cells, the heat exchanger having an external surface in contact with at least a portion of each of the electrochemical cells, wherein the heat exchanger is configured to allow a fluid to flow therethrough between a single inlet and a single outlet such that a path of the fluid flow between the single inlet and the single outlet includes a plurality of adjacent fluid flow segments;a housing that receives the electrochemical cells; anda bracket that retains a sensor in contact with one of the electrochemical cells, the bracket comprising a pair of opposing arms that retain the sensor and having a first end that engages a first opening in the housing and a second end that engages a second opening in the housing. 13. The battery module of claim 12, wherein the fluid flows through the adjacent fluid flow segments in a first direction from a first end of the heat exchanger to a second end of the heat exchanger along a length of the battery module. 14. The battery module of claim 12, wherein the fluid flows through a first fluid flow segment in a first direction from a first end of the heat exchanger to a second end of the heat exchanger and flows through an adjacent fluid flow segment in a second direction different than the first direction. 15. The battery module of claim 14, wherein the single inlet is adjacent the first end of the heat exchanger and the single outlet is adjacent the second end of the heat exchanger. 16. The battery module of claim 14, wherein the single inlet and the single outlet are adjacent the first end of the heat exchanger. 17. A battery system comprising a plurality of battery modules, each battery module comprising: a plurality of electrochemical cells arranged in a first row and a second row offset from the first row;a heat exchanger configured to allow a fluid to flow therethrough, the heat exchanger disposed between the first and second rows of cells and having a shape that is complementary to the cells in the first and second rows of cells so that an external surface of the heat exchanger contacts a portion of each of the plurality of electrochemical cells;a housing that receives the plurality of electrochemical cells; anda bracket that retains a sensor in contact with one of the plurality of electrochemical cells, the bracket comprising a pair of opposing arms that retain the sensor and having a first end that engages a first opening in the housing and a second end that engages a second opening in the housing;wherein the heat exchanger is configured to allow heat conduction between the fluid and the plurality of electrochemical cells via the external surface; andwherein the heat exchanger is configured to route the fluid between an inlet and an outlet such that a path of the fluid flow includes a plurality of adjacent fluid flow segments. 18. The battery system of claim 17, wherein the battery system comprises a first layer of battery modules arranged side-by-side and a second layer of battery modules arranged side-by-side and provided above the first layer of battery modules. 19. The battery system of claim 17, further comprising a first manifold provided in fluid communication with each of the heat exchangers of the plurality of battery modules and a second manifold provided in fluid communication with each of the heat exchangers of the plurality of battery modules. 20. A battery module comprising: a plurality of electrochemical cells arranged in a first row and a second row offset from the first row;a heat exchanger configured to allow a fluid to flow therethrough, the heat exchanger disposed between the first and second rows of cells and having a shape that is complementary to the cells in the first and second rows of cells so that an external surface of the heat exchanger contacts a portion of each of the plurality of electrochemical cells;a housing configured to receive the plurality of electrochemical cells; anda bracket configured to retain a sensor in contact with one of the plurality of electrochemical cells, the bracket comprising a pair of opposing arms configured to retain the sensor and having a first end configured to engage a first opening in the housing and a second end configured to engage a second opening in the housing; andwherein the heat exchanger is configured to route the fluid between an inlet and an outlet such that a path of the fluid flow includes a plurality of adjacent fluid flow segments.