Battery pack reinforcement assemblies

A battery pack, comprising:

• a battery internal component;
• an enclosure assembly including an interior arranged to house the battery internal component;
• and
• a reinforcement assembly configured to transfer impact loads away from the interior of the enclosure assembly and including a beam mounted to the enclosure assembly and a bracket mounted to the beam,
• wherein the beam includes an inboard side surface, an outboard side surface, an upper surface, a lower surface, and a hollow channel,
• wherein the inboard side surface of the beam is mounted directly to an exterior wall of the enclosure assembly,
• wherein the inboard side surface includes a first plurality of openings and the outboard side surface includes a second plurality of openings, wherein the second plurality of openings includes a greater number of openings than the first plurality of openings.

A battery pack, comprising:

• a battery internal component;
• an enclosure assembly including an interior arranged to house the battery internal component;
• and
• a reinforcement assembly configured to transfer impact loads away from the interior of the enclosure assembly and including a beam mounted to the enclosure assembly and a bracket mounted to the beam,
• wherein the beam includes an inboard side surface, an outboard side surface, an upper surface, a lower surface, and a hollow channel,
• wherein the inboard side surface of the beam is mounted directly to an exterior wall of the enclosure assembly,
• wherein the inboard side surface includes a plurality of openings, and the outboard side surface includes a first plurality of openings and a second plurality of openings that are shaped differently than the first plurality of openings.