This battery is mercury free and has a capacity of 50 mAh. Suitable for analog and basic digital watches and hand held devices that have extra functions. The additional functions require short bursts of power which these batteries are perfect for. Renata Button battery cells are at top of the world with a reported failure rate of less than 1%. Manufacturing high quality batteries with high capacity retention on storage, Renata continues to provide reliable power sources for many hand held devices.
