Streamlight 85180 Lithium Batteries CR123A (6 pcs)
These are the standard 3-volt CR123A lithium batteries used for tactical flashlights from Streamlight, SureFire, Fenix, Pelican and many other manufacturers.
SureFire Boxed Batteries (12 Pack), Streamlight 85180 Lithium Batteries CR123A (6 pcs), Panasonic® CR123A Lithium Manganese Dioxide General Purpose Battery,