The Hogue Cargo Management System comes with a battery cradle that can store 3 SureFire 123A, 2 AA batteries or 4 2032 batteries. An extra cover is provided that can be used in place of the battery cradle to allow storage of other items. Fits inside our Hogue AR/AK Monogrips. This is the same system that is available in our combined AR/AK grip with storage kits. Batteries Not Included.