A Portable Source of Power That Might Be AA or AAA
This page is the CodyCross answer for the clue below from Under the sea, Group 31, Puzzle 3.
Question is: A Portable Source of Power That Might Be AA or AAA
and the answer is: BATTERY
Word Meaning:
BATTERY — (electricity, electronics, countable) A device used to power electric devices, consisting of one or more electrically connected electrochemical cells or (archaically) electrostatic cells.
Definitions from Wiktionary.