A key fob battery 2025 is a small, coin-shaped battery commonly used in key fobs, small electronic devices, and other portable applications. It is a type of lithium button cell battery that provides a stable voltage output for extended periods, making it suitable for powering low-drain electronics.
Key fob batteries offer several advantages, including their compact size, lightweight, and high energy density. They are also relatively inexpensive and widely available. These batteries are essential for operating keyless entry systems, garage door openers, and other devices that require wireless communication.