CR1225 Lithium button cells are commonly used in car security (car alarm/keyfob batteries), organizers (backup battery for PDA such as Psion etc), glucometers, cameras, electric thermometers, calculators, computer equipment (CMOS memory backup battery for Sony Vaio and Compaq Presario Laptops for example), toys and so much more. CR1225 batteries also have a shelf life of 10 + years.