docs: def update(self):
          """Update battery capacity stats using the input method."""
          # Init new stats
          stats = self.get_init_value()
  
          if self.input_method == 'local':
              # Update stats
              self.glancesgrabbat.update()
              stats = self.glancesgrabbat.get()
  
          elif self.input_method == 'snmp':
              # Update stats using SNMP
              # Not avalaible
              pass
  
          # Update the stats
          self.stats = stats
  
          return self.stats