Wagan"s Solar e Power Cube is the ultimate portable power source. Simply charge the internal battery using its 5 total solar panels, which fold out from the top and roll out from each side, and use the power to run your AC, USB or DC devices from anywhere. Recharge the built-in 55 AH AGM/gel hybrid battery faster using the included home AC or vehicle DC outlet. This renewable power source is extremely user friendly. This simple all in one unit is ready to be used out of the box; just charge the battery. No assembly or connections required. Features an AC power inverter with 1500 Watts continuous and 3600 Watts peak surge power, two 115 Volts AC outlets, two 12 Volts accessory outlets for powering DC appliances, two USB power ports (5 Volts 2.1 ampere total), and a digital LED voltmeter display for checking battery status. It is ideal for deep cycle applications. Initial AC charge takes up to 24 hours. Allows up to 18 hours direct sunlight to fully charge it via solar panels only. Each solar panel is 16 Watts, so 80 Watts of solar panels are already built in. These mono crystalline solar panels run on 17 percent efficiency. Sample applications include 3 Watts LED light bulb, radio, wireless router, portable stereo, laptop computer, thermo fridge/warmer, TV, refrigerator/freezer, microwave, cell phone, etc. Also includes several other useful built-in features. Separate solar panels and batteries can be connected for even more power. The front of the cube has two terminals for solar panel expansion, if it is needed in the future. A convenient fold out storage compartment is built into the side, useful for additional accessories. It has collapsible handle and wheels to easily transport it to your next sunny destination. This plug and play solar generator harnesses the sun"s energy and provides instant access to AC power that is fume and noise free. This item is covered by a 2 year limited warranty.