CR/BR 1225

3v Lithium Cell Non Rechargeable Size 12mm x 2.5mm 

Hard to get rating = FAIR

Used in many micro applications including many Car Keys,  Calculators, Watches, Clocks, Calendars, Organisers, Remote Controls, Memory Backup, Organisers, Micro Torches, electronic gadgets, collars, and many other applications.

Used in Victorinox Penknives to power light where featured.

BR batteries are compatible, but have a slightly different chemistry to allow for operation in hotter environments.