A key fob battery 2025 is a small, coin-shaped battery generally utilized in key fobs, small digital units, and different moveable purposes. It’s a kind of lithium button cell battery that gives a steady voltage output for prolonged durations, making it appropriate for powering low-drain electronics.
Key fob batteries supply a number of benefits, together with their compact measurement, light-weight, and excessive power density. They’re additionally comparatively cheap and extensively accessible. These batteries are important for working keyless entry methods, storage door openers, and different units that require wi-fi communication.