Primary Silver Oxide Button CellsPrimary silver oxide button cell batteries for reliable applicationsNew: Mercury-free Primary Silver Oxide Button CellsVARTA Microbattery has started the production of an assortment of mercury-free silver oxide button cells. This is a further milestone in the development of high performance, reliable and environment-friendly batteries.VARTA Microbattery provides over 30 years experience in the development and production of silver oxide button cells. Modern, fully-automated production lines help to make VARTA Microbattery's silver-oxide butto