The Renata Watch Battery SR516SW is not just a fine quality battery, but is also great for the overall health of your small handheld devices that run on low power. These batteries give out 1.55 V of power to the device, throughout the life, ensuring that the device runs consistently and internal components receive only he required amount of power. Thus, maintaining overall health and durability. These cells are well suited for use in compatible watches, glucometers, digital monitors, calculators etc.