Patent ID: 8597811

Claim:
A rechargeable battery, comprising a rechargeable battery housing filled at least partially with a filler material, said rechargeable battery housing including an outer housing wall; a plurality of rechargeable battery cells situated in an interspaced manner in said rechargeable battery housing so that the filler material encloses said rechargeable battery cells to form casings, said rechargeable battery cells including a first rechargeable battery cell having a first casing and a second rechargeable battery cell having a second casing, said first casing and said second casing having different wall thicknesses, at least in sections, wherein said second casing comprises ridge-like expansions in a region directed towards the outer housing wall, wherein said first rechargeable battery cell is surrounded by a greater number of directly-adjacent rechargeable battery cells than surrounds said second rechargeable battery cell and wherein said first casing has a smaller wall thickness in the region directed towards the outer housing wall than said second casing comprising said ridge-like expansions in a region directed towards the outer housing wall.