Mighty Max Battery 6V 12AH F2 Replacement Streamlight Litebox Battery Rechargeable Sealed Lead Acid 6120 Backup Power Batteries in the Device Replacement Batteries department at Lowes.com
Streamlight 45937 6V Replacement Battery - Fits E-Flood, Firebox, and Litebox Series Lanterns
Airgas - SD845937 - Streamlight® LiteBox® FireBox® 6 Volt Battery (1 Per Package)