Genuine Renata Swiss Made Batteries. Please check out our 0% mercury battery line for low drain applications (analogue and digital watches without added functions) and high drain applications (analogue and digital watches with extra functions, games, cameras etc.). Extra value Extra pack of these popular Ranata 1.55 volt Silver Oxide coin cell battery. Long shelf life and fresh stocks assured. One of the most comprehensive product ranges of silver oxide batteries for all your uses in the field of watches and electronic equipment. Explore Renata's wide range of quality primary 1.55V silver oxide coin cell battery offers a suitable power source for any electronic device requiring an ultra-compact, long lasting, low voltage power source. Long Life Battery, Gives Your watch Longer life.