1/3AA 1.2V Flat top Rechargeable Battery For DIY, FRS, Keypads, Alarms - Walmart.com
Amazon.com: PKELL NIMH 2/3AAA Battery 1.2V 400mAh Rechargeable Battery Button Top (5pcs)(They are not AAA Size Batteries) : Health & Household
Amazon.com: 8X Westinghouse 2/3 AA Ni-Mh Battery Batteries Rechargeable 1.2 V Volt 150 mAh Reusable Chargeable by JL Missouri Parts : Health & Household
Exell Battery Rechargeable Nickel Metal Hydride (NiMH) 2/3AA Assembly Cell Batteries in the Assembly Cell Batteries department at Lowes.com