Electrical energy storage puzzle

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Across
  1. 1. to cause to become separated, disconnected, or divergent.
  2. 3. stopping or ceasing for a time; alternately ceasing and beginning again.
  3. 4. a heavy disk or wheel rotating on a shaft so that its momentum gives almost uniform rotational speed to the shaft and to all connected machinery.
  4. 6. to adjust to some standard or requirement, as amount or degree.
Down
  1. 2. rather large or great in size, distance, extent, etc.
  2. 5. requiring strict attention to rules, procedure, detail, etc