Renata CR1216 Watch Batteries 5-Pack - Long-Lasting Power for Watches, Calculators, and Small Electronics - Perfect for Timekeeping Devices and Digital Gadgets

The Renata 1216 battery is a small, round, 3-volt lithium coin cell battery. It's commonly used in a variety of small electronic devices, including:Watches: Its small size makes it ideal for powering timekeeping devices.Computer motherboards: It can provide backup power for the BIOS.Calculators: Many calculators use this type of battery.Key fobs: It can be used to power remote keyless entry systems.Other small electronics: It's also found in devices like thermometers, pedometers, and medical devices