ReVIVE PowerUP TRANS4M Multi-Use Charger with AC / DC Adapters , Dual USB Charging Ports & AA or 9V Battery Power - Works with Garmin , Callaway , GolfBuddy , IZZO and More Golf GPS Units! Charges your Garmin , Callaway , GolfBuddy , IZZO , Apple Watch , iPhone , iPad & iPod by AC (Wall Outlet), DC (Car/Cigarette Lighter Outlet), or On-the-Go power with AA or 9V batteries Includes a data and charging Micro-USB Cable (For best charging performance, use OEM USB Charging Cable) AA and 9V alkaline batteries can be used to provide emergency power boost to your Golf GPS unit or phone while on the course! Dual USB Charging Ports: 1A output when charging 1 device & 0.5A output when charging 2 devices from AC or DC power. For AA or 9V charging, single port charging is supported. DC 5V +/- 5% 1000mA MAX High Quality  Backed by a 3 Year Manufacturer's Warranty!