An exemplary rocker assembly includes a vehicle rocker at a lateral side of a vehicle, and a battery rocker at a lateral side of a battery pack of the vehicle. An exemplary energy absorbing method includes directing a first portion of a side load through a first load path that extends through a vehicle rocker at a lateral side of a vehicle, and directing a second portion of the side load through a second load path that extends through a battery rocker at a lateral side of a battery pack.