Patent ID: 8822063

Claim:
A lead-acid rechargeable battery comprising at least one battery cell connecting element ( 10 ) comprising: (a) a connector ( 12 ), which has at least one side surface ( 22 , 24 a , 24 b ), for connection to at least one plate ( 16 a , 16 b ) on a lower face ( 20 ) of the connector ( 12 ), and (b) a welding lug ( 14 ), which is electrically conductively connected to the connector ( 12 ) and has an open recess ( 26 ) which is bounded by a boundary ( 28 ), wherein, in a section ( 30 ) which is adjacent to the side surface ( 22 , 24 a , 24 b ) of the connector ( 12 ) the boundary ( 28 ) has a profile which corresponds to a contour of the side surface ( 22 , 24 a , 24 b ) of the connector ( 12 ) and a portion of the boundary overlaps a portion of the side surface of the connector.