Alkaline AA batteries (LR6) - 3 pack : ID 3521 : $2.25 : Adafruit Industries, Unique & fun DIY electronics and kits
Dry cell battery High Energy, Micro/AAA, 1200 mAh | Batteries | Power supply and batteries | Optical Instruments and Lamps | Labware | Carl Roth - International
AA battery - Wikipedia
Ultimate Lithium AA Batteries, 1.5 V, 8/Pack ESS-EVEL91SBP8
ALAA8J AL-AA Rayovac Corporation AA Ultrapro Alk Battery 8PK