A powerhead refers to the primary source of power or the main motor unit in several different tools and systems:
• Outdoor Multi-Tools: In yard care, a powerhead is the battery-powered or gas-powered engine and handle unit (such as those from EGO Power+ or Makita) that connects to interchangeable attachments like string trimmers, edgers, pole saws, or hedge trimmers.
• Aquariums: An aquarium powerhead is a small, submersible centrifugal pump used to drive water circulation, improve oxygenation, create wave motion