120 volt AC power anytime you're in your car. They simply plug into your vehicle's 12 volt DC power sockets, allowing you to power notebook computers, battery chargers, TVs and more. These inverters also work in boats and RVs, and selected models feature an airline adapter, which allows you to plug into the seat power receptacle (if equipped) on a plane, so you can keep working even on long flights, eliminating the need to buy expensive spare batteries. APC Auto and Air Inverters are designed for the demanding needs of mobile professionals as well as recreational users.