A Set 9v Battery Box/holder/case Compartment Cover With 9 Volt Battery Clip Buckle For Active Guitar Bass Pickup (dch-fh-01-dk) - Guitar Parts & Accessories - AliExpress
Amazon.com: QTEATAK 2pcs 9v Battery Holder with Switch and Lead Wires : Electronics
9V PP3 Battery Holder Box DC Case with Wire Lead ON/OFF Switches Cover Useful 989926950487 | eBay
9V Battery Holder w/Tray | MGB
9V Battery Holder | Cigar Guitar Parts | MGB Guitars & Parts Supplier | MGB
2-9V Battery Holder, includes snap-on contacts. - Box Enclosures:
Snap-type Battery Clip Connector with Wire Leads for 9V Batteries & Battery Holders
ghost 9v Battery Box | Graph Tech Guitar Labs
Amazon.com: Genssi 9V Battery Box with On/Off Switch 9 Volt Battery Holder with Power Switch Clip : Automotive
9V battery holder with switch & 5.5mm/2.1mm plug : ID 67 : $3.95 : Adafruit Industries, Unique & fun DIY electronics and kits
9 Volt Battery Box for Guitar & Bass w/ Top Screw Holes