Do it CR2025 Lithium Coin Cell Battery is for powering watches, medical devices, fitness gadgets, and many other small electronics. This reliable lithium battery a long shelf life of up to 5 years and a capacity of 150 mAH, ensuring consistent performance when you need it most. Its compact coin cell design makes it easy to install and replace in a variety of devices, providing dependable energy in a small package. Whether for everyday use or emergency backup, this battery delivers lasting power you can trust. Model Number: CR2025