An interface for aligning a current collector with a tote in a battery system is provided. A pin can be located on one of the current collector or the tote. A receptacle can be located on one of the current collector or the tote. The receptacle can include an opening having a first size in a first direction that is greater than or equal to a second size of the opening in a second direction. The opening can be configured to align the current collector with the tote via the pin inserted into the receptacle.
