Image Item No. Description  bb0045c  Electric 4.5V Battery Box 6 x 11 x 3 1/3 Type III, Bottom Catalog: Parts: Electric, Battery Box  bb0043d  Electric 4.5V Battery Box 6 x 11 x 3 1/3 Type III, Switch with hole for Connectors with Middle Pin Catalog: Parts: Electric, Battery Box  bb1277c01  Electric Battery Box Powered Up Bluetooth Hub with Dark Bluish Gray Bottom - Screw Opening Catalog: Parts: Electric, Battery Box