25W Monocrystalline Solar Panel Kit W/ Controller, Charge Phones, RVs More, Efficient Power

to charge MP3 phones, mats or other controlled devices. With dual female USB ports, you can easily charge the device through a USB charging cable. Solar charging, environmental protection and energy saving. Wide range of applications, suitable for car batteries, automobiles, RVs, ships, airplanes, satellites, space stations, outdoor breeding, planting, tourism, solar street lights.