The stainless steel housing offers high stability and safe protection against corrosion. Varta cells provide additional reliability and safety due to - threefold sealing design - patented PTFE film technology. FRESH BATTERIES EXP NOVEMBER 2017 or later. We sell the Genuine Pack like the picture made in Germany Original Germany pack of 6 batteries High Quality Zinc Air Battery size 10 or Yellow tab Proven under extreme climatic conditions in long term testing