Water resistant, dust proof, and shockproof 8000 mA lithium battery which charges via a 1.2 W monocrystalline solar panel. Suitable for charging most namebrand phones, GPS devices, cameras, and more. Has built in emergency LED flashlight, dual USB micro charging ports, environmentally friendly. Comes with android style charging cord. Works with iPhone charge cords. Great for camping or any time electricity is unavailable.