Lucco Pratical Portable Car Charger Car Charging Unit Adapter for Microsoft Surface 3 Pro 3 Tablet (Pro 3 Car Charger Non-usb) Compatible with for Microsoft Surface 3/Pro 3 ONLY!!! Charge your surface pro3 in the car, convenient for travelers and business users. Input: 12V-24V. Output: 12V 2.58A. Weight: 0.067kg. Interface: Microsoft Pro3 dedicated magnetic suction interface. Car charger WITHOUT usb port