lounge vs recharge one's batteries

lounge

verb
  • To relax; to spend time lazily; to stand, sit, or recline, in an indolent manner. 

noun
  • An establishment, similar to a bar, that serves alcohol and often plays background music or shows television. 

  • The act of someone who lounges; idle reclining. 

  • The living room or sitting room of a house. 

  • A large comfortable seat for two or three people or more, a sofa or couch; also called lounge chair. 

  • A waiting room in an office, airport etc. 

recharge one's batteries

verb
  • To recover mentally by taking a break or engaging in a relaxing activity. 

How often have the words lounge and recharge one's batteries occurred in a corpus of books? (source: Google Ngram Viewer )