The Energizer Cup Inverter, EN180 has the ability to power up to five devices at one time. This extremely small cup inverter is a 180W model that will allow you to power up your mobile devices from your car, boat or RV. The 12-volt 180-watt Energizer inverter features an ultra-silent thermal fan and four USB charging ports. The ultra compact design of this device allows for it to fit perfectly inside of most vehicles' cup holders. This cup holder inverter charges tablets, phones, gaming devices and more. It has one standard AC outlet and includes cables for a car's cigarette lighter or a car battery. Use the Energizer Cup Inverter, EN180, to keep all your electronic devices fully charged while on the go.