article_snippet: The findings has raised hopes that these 'batteries' could be used to help develop new sources of energy, although the charge these 'batteries' currently hold is minute.
article_snippet: It is probably not something that could be used for an application in the immediate future though.'
highlights_snippet: The amount of energy stored is too low to be used as a new power source .
  
highlights_snippet: But other species may create stronger charges for natural batteries .