Source of Power for Torches or Phones, for Example
Puzzle 15 of No Refrigeration Needed Pack
Question is: Source of Power for Torches or Phones, for Example
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.