Renogy Monocrystalline 5W Plus Solar Panel with USB Port for Charging, Hiking and Biking

* Auto-Optimization Charging Continous charging once back in the sun. * Portable Included carabineers and suction cups for easy attachment. Ultra-Thin and Lightweight. * Versatile Different mounting options included. Compatible with any USB device. * Advantage High efficient monocrystalline solar cells, lightweight, water-resistant, overcharge protection. * Information Accessories 1-year material .