I have multiple experiences with Shop Solar. Purchased several Delta Pro units and a Ecoflow Max 2 with extra cables and solar panels, multiple 100watt and 200watt solar panels and have not had any issues with shipping or setting up the units. I followed the directions they give for free in...
Some good deals on noob friendly solar generator kits with panels, connectors and cables included - https://shopsolarkits.com/collections/solar-generator-kits