The CyberPower 160 Power Inverter (CPS160PPB2U) converts power from your vehicle's 12V DC power outlet to simultaneously power up to four devices with its two household AC outlets and two USB ports (2.4 Amp shared). Use the AC outlets to power portable electronics while you're traveling. The USB ports charge up to two USB-powered devices at the same time, including most tablets, with 2.4 Amps of power.