Quality AA Battery Holder Connector x 1 2 3 4 5 6 8 Open or Enclosed with Switch | eBay
Amazon.com: Corporate Computer 8 AA Battery Holder with Snap Connector 12V / 9.6V by Corpco : Electronics
9 Volt Battery Adapter to 2.1mm Male Plug - Canada
Amazon.com: LAMPVPATH 3 Pcs 4 x 1.5V (6V) AA Battery Holder Leads with 3 Pcs 9V I Type Snap Connector Plastic Housing Two Layers Battery Case : Electronics
3 AA Battery Holder, 3 AA Battery Holder with Leads, 3 AA Battery Holder with wires - ScienceKitStore.com
2 x AA Battery Holder with On/Off Switch & JST PH Connector : ID 4193 : $1.95 : Adafruit Industries, Unique & fun DIY electronics and kits
2 x AA Open Battery Holder with JST PH Connector : ID 4194 : $1.95 : Adafruit Industries, Unique & fun DIY electronics and kits