3 x AA Battery Holder with 2.1mm Plug : ID 3842 : $2.95 : Adafruit Industries, Unique & fun DIY electronics and kits
1/3AA 1.2V 170mAh NiCD Rechargeable Flat Top Assembly Cell Battery
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ARICELL TCL-2/3AA Lithium Battery
Exell Battery Rechargeable Nickel Cadmium (NiCd) 2/3AA Assembly Cell Batteries in the Assembly Cell Batteries department at Lowes.com
Amazon.com: 4X Westinghouse 2/3 AA Ni-Mh Battery Batteries Rechargeable 1.2 V Volt 150 mAh Reusable Chargeable by JL Missouri Parts : Health & Household
Pulsar BPS 3 AA Battery Holder fits Trail Helion Digisight and Forward IPS Backup