This Storacell Battery Storage System is a slim line battery case that holds extra batteries (either 4 AA or 6 AAA). Convenient and compact battery storage that can be used one handed. Featuring terminal protection on both ends regardless of battery direction. 
Features
Small and compact size
Easy-to-find
Dispenses batteries with one hand
Terminal protection
AA - 4 pack or AAA - 6 pack options
Batteries not included
Dimensions: 2.25" H x 2.75" W x 0.75" D (AA)
Dimensions: 2" H x 3" W x 0.6" D (AAA)
Weight: 0.6 oz