Energizer E92 Regular alkaline AAA batteries, 1.5 V pack of 12 from Cole-Parmer
Amazon.com: EBL AAA Alkaline Batteries 28 Count - Triple A Batteries 1.5V Long Lasting High Performance AAA Batteries,Leakproof Design Single Use Battery : Electronics
Rechargeable Lithium AAA Batteries 4Packs, 1100 mWh Rechargeable AAA Battery Constant Output 1.5V Li-ion AAA Battery, 1.5H Fast Charge with USB Cable 1000 Cycles for Toy Cars Toothbrush : Health & Household