30w foldable portable solar panel phone charger for outdoor travel camping rv

using a polycrystalline magnetic chip, higher charging efficiency, bringing great using experience, it can be charged even on cloudy days. it is equipped with a multi-purpose socket for convenient charging. can be used to charge mobile phones, mobile power supplies, lap, tablets, gps, cameras, etc. suitable for lap, car batteries, car, rvs, boats, airplanes, satellites, spacious stations, outdoor breeding, plantations, tourism, solar street lights. double output solar panel with usb interface, meet your any requirements, environmental protection and pollution- realize the conversion of solar energy to electric energy. portable, foldable, light weight and easy to carry. great choice for any outdoor travelling activities like camping, hiking etc..syi