zeke:get a package of aa batteries for me at the store zack: ya want 48 from costco or 2 from 7-11??
size of a battery used in portable devices such as radios, music players, flashlights
"zeke:get a package of aa batteries for me at the store zack: ya want 48 from costco or 2 from 7-11??" What is the definition of "aa"?