Abstract: Various automated systems and methods are provided herein for the assembly of battery stacks. An example system includes a closed-loop transport track, a plurality of stations along the track, and a control system. The track includes a plurality of pallets. Each pallet receives at least one battery stack and is moveable along the track. The plurality of stations include a plurality of assembly stations for adding at least one battery component to a battery stack held on a pallet, and at least one transfer station for unloading a completed battery stack from the pallet. The completed battery stack includes a plurality of cells having a particular composition. The control system can move the pallets to the plurality of stations in a predetermined sequence to assemble the completed battery stack.