The EPO granted patent EP4254616A1 to Shenzhen Bak Power Battery Co., Ltd. for a cylindrical battery cap and cylindrical battery invention. The patent application (filed by inventor ZHAO, Junfeng) covers battery cap structures and configurations classified under H01M50/147, H01M50/107, H01M50/186, H01M50/342, and H01M50/152, with H01M10/0525 for lithium-ion battery applications. The patent is valid in 31 designated contracting states across Europe.

This is a patent publication notice with no compliance obligations. Manufacturers of cylindrical battery cells, particularly those producing lithium-ion batteries, should review the patent claims to assess potential licensing requirements or design-around considerations for their products. The patent grants exclusive rights to the applicant in the designated territories.