5 x AA Battery Holder with 2.1mm DC Jack : ID 3456 : $3.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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MP000334 - Multicomp Pro - BATTERY HOLDER, AA, WIRE LEAD
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3 x AA Battery Holder with Switch and Leads - 4.5V - Walmart.com
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2 AA DIY Battery Holder Case Box 3V Power Switch & Bare Wire End Black | eBay
D-Cell Battery Holder – Arbor Scientific
Amazon.com: LampVPath (Pack of 2 8 AA Battery Holder, 12v AA Battery Holder, 8 AA Battery Holder with Leads-Double Layers Battery Holder(Each Layer Loads Four aa Batteries) : Electronics
Battery Holder 4xAA with Cover and Switch - PRT-12083 - SparkFun Electronics