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3 x AA Battery Holder with 2.1mm Plug : ID 3842 : $2.95 : Adafruit Industries, Unique & fun DIY electronics and kits
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Amazon.com: LAMPVPATH (Pack of 2) 14250 Battery Holder, 1/2AA Battery Holder, ER14250 Battery Holder, 1/2AA 3.6V Battery Holder with Leads Wires : Electronics
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Amazon.com: MulticoloredLED 4X 1.5V (6V) AA Battery Holder Bundle Case Back Cover and 9V I Type Snap Batteries Clip Connectors Buckles with Cord Wire Leads Plastic Housing Spring Clip Storage Box (Pack
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Amazon.com: MulticoloredLED 4X 1.5V (6V) AA Battery Holder Bundle Case Back Cover and 9V I Type Snap Batteries Clip Connectors Buckles with Cord Wire Leads Plastic Housing Spring Clip Storage Box (Pack
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