Amazon.com: Parts Express Battery Holder for (4) AA with Standard Snap Connector : BH341 : Electronics
Battery Holder 5-AA Barrel Jack - Parallax
8 x AA battery holder : ID 449 : $2.95 : Adafruit Industries, Unique & fun DIY electronics and kits
3 x AA Battery Holder with Leads - 4.5V - Walmart.com
4 AA Battery Holder
Amazon.com: Yanmis Battery Holder, 10pcs 2X 3X AAA Battery Power Case Plastic Box with Wire Applicable for Electronic Toy Home Appliance Remote Control(2X AAA) : Electronics