Infinite Off-Grid Power for Smartphones, Power Banks, and Outdoor Electronics Never run out of power when exploring the great outdoors with our High-Efficiency Portable Foldable Solar Panel Charger. Engineered for backpackers, campers, and emergency preparedness kits, this ultra-lightweight power station harnesses advanced monocrystalline solar cell technology to convert sunlight into usable energy at an industry-leading conversion rate of up to 24%. Its smart-charging internal processor automatically detects connected devices to deliver an optimized, safe electrical current through multiple integrated USB output ports.