TRANS4M Universal Travel Charger- Portable charging for AC , DC , and Portable Backup Power * Includes USB Data Transfer Syncing Cable* Charges your Apple device by AC (HOME), DC (Car), and on-the-go power with AA or 9V batteries Includes USB Data Transfer Cable for Computer Syncing AA and 9V alkaline batteries can be used to provide emergency power boost to your mobile device. Dual USB Charging Ports: Provides 1.0 amp of current when charging one device, and 0.5 amps of current to each port when charging two devices from AC or DC power. For AA or 9V charging, single port charging is supported. DC 5V +/- 5% 1000mA MAX Quality Gauranteed - 3 YEAR WARRANTY !!!