Improve your sustainability with the EcoFlow 220W Bifacial Portable Solar Panel. This portable solar panel has an IP68 waterproof rating for long-lasting use and a bifacial design with 220 watts on one side and 155 watts on the other. The thin, 1-piece tempered glass design makes it 5 times tougher than comparable panels. EcoFlow 220W Bifacial Portable Solar Panel Black - Camping Appliances at Academy Sports