CR2025 lithium coin cells are very versatile batteries.
They are commonly used in applications such as: car security (car alarm/keyfob batteries) organizer (backup battery for PDA such as Psion etc) glucometer camera electric thermometer calculator computer equipment (memory backup battery) toys accutron communication equipment electronic watches/clocks card radios data pack for video camera.
Type: Lithium
Voltage:3V
Diameter: 20 mm
Height: 2.5 mm