Armasight Extended Battery Pack.

Extend the runtime on all Armasight digital and thermal devices up to eight hours with the Extended Battery Pack. This external power supply runs on two included 18650 rechargeable batteries, four user-supplied CR123A lithium or CR123 rechargeable batteries. A charger is also included.

External battery power supply with rechargeable batteries for extended operational time for all Armasight high performance Digital and Thermal devices. Takes two 18650 (included) type rechargeable batteries or four CR123A Lithium batteries or CR123 type rechargeable batteries (Charger is included). Up to 8 hours of extended operational time.