220W Portable Solar Panel, Bifacial Design up to 25% Conversion Efficiency N-Type Solar Cell, with Adjustable Kickstand, IP68 Waterproof, Foldable Solar Panel for Camping Rving Home Backup[High Efficiency Solar Panel] With the portable solar panel industry's first use of N Type solar technology, we've raised the bar on conversion efficiency, reaching 25%. Charge faster with a more compact panel. With its dual sided design, collect up to 28% more energy, perfect for camping and other outdoor activities. [Adjustable and Versatile] The 220W bifacial solar panel is designed with a 30 60 adjustable angle bracket and an integrated solar