EcoFlow 400W Portable Solar Panel | High-Output FoldableMaximum Solar Output. Built to Go Anywhere. When you need serious solar power in the field, the EcoFlow 400W Portable Solar Panel delivers. With premium monocrystalline cells pumping out 400W of clean energy, it's the fastest way to recharge large EcoFlow power stations like the DELTA Pro or DELTA Pro 3 cutting recharge times dramatically compared to smaller panels. And despite its impressive output, it folds down into a carry case with an integrated