Check the listing for details. 9 Volt Battery Box Compartment, Shallow, Bottom Mount - Black. Condition: New. Listed at 9.08 USD. This shallow mount battery box holds a 9 volt battery flat on its side and is perfect for mounting a battery in a thin guitar body. The chamber that holds the battery is accessed by the tab that, when open, allows you to place the battery securely within the box. Foam is attached to the inside lid to hold the battery firmly in place. Specifications: Depth = 13/16 in. (20mm) Length = 2-1/8 in. (73mm) Width = 1-11/32 in. (34mm) Lip edge = 1/8 in. (3.4mm) width Material = black PVC Attaches via internal, bottom mounted, screws WD Music SKU: WDBBS1 Note: Electrical lead is NOT included with this battery box. Professional installation is strongly recommended. Improper installation may result in damage to the product and/or instrument.