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I am a novice... but... I noticed that some solar panels, come with a USB port or two, and they can charge a cellphone directly from the solar panel, by you plugging your phone directly into the solar panel usb port, without having to use a Solar Panel Controller. How is this possible, when I...

I am reading that solar panels must be grounded. Is this true, and how do you ground them?

I am new in electricity but I need expert advice or feedback please. I am reading online that some of the Portable Solar Generators like Eco Flow Delta 1300 are not grounded. Is that dangerous to use? Are the other Portable Solar Generators like Jackery also not grounded? Is that dangerous...

I speak to the guy at Inergy and I will ask him. I would like to ask Will, Whether you think the problem with Ecoflow Delta1300, being that its AC outlets are reversed, and one requires an Adapter for safe operation, as well as the issues with its Grounding, have been fixed. These problems were...