This is a GP CR2 Pro Lithium 3V Battery with a use-before date of 2032.
GP CR2 Pro lithium batteries are top quality CR2 batteries. GP CR2 Pro batteries originally designed for use in cameras are now used in a wide range of electronic equipment. GP CR2 Lithium Batteries have an extremely long shelf life too.
Equivalent battery models include: DLCR2, CR-2 and 1CR2.