A system for producing a battery arrangement with at least one battery module and a battery housing. The at least one battery module comprises at least one supply channel which extends in a designated introduction direction through the at least one battery module. The at least one battery module is to be introduced in the introduction direction into the battery housing, positioned in an end position provided for the battery module and firmly connected in this end position to the battery housing. Between a bottom of the at least one battery module and a bottom of the battery housing, at least one cavity is provided, which is to be connected to the at least one supply channel. A filler material is to be filled into the at least one cavity through the at least one supply channel.