Sony button batteries provide an excellent combination of high energy and continuous voltage supply.
In 1978, Sony started manufacturing silver oxide batteries. Since then our production and quality have increased substantially year by year, giving Sony the number one position in this industry. The Sony silver oxide batteries provide a 1.55V stable discharge with superior performance at low temperatures and long storage life. The Sony Silver Oxide batteries are ideal for wristwatches of all types and sizes, calculators and more.