Lid section for an accumulator and accumulator with such a lid section

The cover (1) has a sleeve-like connector socket for electrically contacting with the accumulator. A lower portion (26) of a connector socket made of plastic material is embedded in the cover portion. Several strip-shaped portions are arranged at the inside of the connection socket, over the inner circumference of the connection socket and spaced apart from sliding elements (3). The sliding elements are manufactured as one-piece from plastic material. An independent claim is included for accumulator.