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I don't think you need to explain to people here what batteries do...

• SigmundA 3y ago
  You would think so and yet this article gets posted showing a laptop with a battery as the lead... My point was to get useful power at a stable voltage you need some battery like components to buffer the inconsistent power delivery of a solar panel so most of the time you see a actual battery involved. Without any batteries you typically need to way over panel and still have some caps involved. My parents have a 7kw solar system grid tied no batteries with a 1500w emergency outlet that runs when the grid is down. Works ok but if enough clouds go over it just shuts off the inverter needs a lot of excess to maintain a stable 120v output and it has rather large filtering caps.