High-Efficiency 15W Solar Battery Charger with Dual USB Ports
Premium-grade monocrystalline solar panels deliver superior sunlight absorption, achieving 22% conversion efficiency for rapid charging even in low-light conditions. Dual smart USB ports (5V/2.4A max each) automatically detect device types to optimize charging speed for phones, tablets, power banks, and small laptops. Military-grade PET surface with anti-scratch coating and IPX4 waterproof rating ensures durability for outdoor adventures, camping, or emergency power backup. Ultra-thin design (2mm thickness) with reinforced stitching and foldable construction for compact portability—fits effortlessly in backpacks or survival kits. Integrated high-capacity lithium polymer battery stores surplus energy, providing reliable off-grid power during hikes, road trips, or natural disasters.