AM3 AA Size Kingkong Alkaline Battery lr6 1.5v Dry Battery
Pololu - 4-AA Battery Holder
List of battery sizes - Wikiwand
What are the differences between AA and AAA batteries? Why are AAA batteries a little more expensive than AA batteries even though they give the same output voltage and current ratio? -
Types of Batteries: Sizes, How Long They Last, & Disposal