Sony has developed a new type of alkaline manganese button-cell that contains no mercury and will put it on sale later this year, it said Wednesday. Alkaline manganese cells are commonly used in ...

Sony Corporation on Thursday said it introduced its mercury-free alkaline button battery, which is commonly used in cameras, remote controls and calculators, the alkaline manganese. It has developed ...

Sony, so far not known to be a particularly “green” tech company, has announced plans [JP] to commercialize a total of six different models of batteries that contain no mercury. The company said it’s ...

A watch battery, button cell, silver button cell or coin cell is a small battery designed for use in items such as watches, hearing aids, calculators, cameras, pacemakers, digital thermometers, ...