The Renata button cell 394 is a reliable power source that is ideal for various applications. With a voltage of 84 millivolts and a capacity of 84 milliampere-hours, this button cell provides consistent and long-lasting performance. It is not rechargeable and is offered in convenient sales units of 10 pieces, making it a practical choice for everyday use. These button cells are versatile and can be used in a variety of devices, including watches, calculators, and other electronic devices that require a compact and powerful energy source. The Renata button cell 394 is distinguished by its high quality and reliability, making it a preferred choice for consumers who value performance and durability. With this button cell, you are well-equipped to efficiently power your devices.