... year warranty energy solar light 1.solar panel :5w 2.battery :3500mah lithium battery 3.led :3w superbright ... 4.with USB port charge phoneIntegrated solar systemFashion, compact, easy to ... use, Eco-Friendly, no energy consuming.1. Solar lighting system, which is portable and convenient2. easy ... and dormitory, nickel-metal hydride battery. Led Solar light