EcoFlow Power Hat (M - L).EcoFlow Power Hat (M L) Gain energy independence in the field. The EcoFlow Power Hat is a smart headgear that provides protection from the sun while offering the ability to charge your devices anywhere. The brim is covered with high efficiency 12W photovoltaic panels, making the hat capable of converting sunlight into electricity. Its foldable design and light weight make it easy to stow in a backpack, and its IP65 compliant water resistance ensures