Size:5 Batteries Lithium coin batteries are used in a wide variety of
applications, including personal watches, clocks, electronic organizers,
PDA's, portable electronics, keyless door entry remotes, cell phones, computer
motherboards, heart monitors, backup power sources for IC memories, and more.
Lithium 3V provide 2x the nominal voltage compared to other chemistry makeup
of batteries such as Silver Oxide and Alkaline button cells.