Applications:  Remote Controls, Heart Rate Monitor, Watches, Cameras, Calculators, Car Security Alarm, Key less Car Remotes, Organizers, Glucometer, Photo MicroLites, Computer Equipment (memory backup battery) CMOS, Motherboards, Garage Door Controls, Toys, Communication Equipment, Pocket Stations, AbTronics, Dream cast VMUs, data pack for video cameras, and other devices that requires this battery size 20pcs