PVS-31 / BNVD-1531 / ANVIS NVG 4 Cell Remote Battery Pack for Night Vision in Black + ANVIS Cable. Replacement Battery Pack tested with PVS-31 goggle. PN LFG -094-A3 Manufactured in 2021. Built-in IR strobe lights for IFF function. Weatherproof o-ring sealed battery compartment. Holds 4 AA Cell Batteries. Can run on 2 or 4 cells for output of 2.0V-3.5V. Fischer / BNVD connector on battery pack. 16 4-pin Fischer BNVD to LEMO power cable for connection to ANVIS Night Vision systems AN/AVS-6, AN/AVS-9, etc. Includes: ANVIS Cable, Battery pack and Velcro patch.