Duracell DRINVP175 175-Watt Pocket Inverter with 2.1-Amp USB Port Converts 12-volt DC power from your vehicle battery into 120-volt AC electricity Fast 2.1-amp USB charge port to charge iPads, Kindles and other power-hungry USB products High quality cooling technology reduces perceived noise level by up to 50 percentage versus competitive products DC cable with vehicle adapter included as well as the battery clips to power and charge devices requiring more than 120 Watts Three-prong AC outlet to handle all chargers and adapters for mobile electronics