Disclosed is a pole socket for an energy storage system, having a connecting element with a first end region and with a second end region, a connection element which is arranged on the first end region and which is configured to make electrical contact with electrical consumers, and a contacting element which is arranged on the second end region of the connecting element and which is configured to make electrical contact with a pole shaft. The connection element extends in a first direction of extent proceeding from the connecting element, and wherein the contacting element extends in a second direction of extent proceeding from the connecting element. The second direction of extent runs parallel and in the opposite direction with respect to the first direction of extent, such that the contacting element is arranged offset from the connection element.