Nogis 12V 2.58A Car Charger Adapter Charge Unit for 13.5 Inch Microsoft Surface Book Intel Core i5/i7 PC Tablet Compatible with 13.5 Inch Microsoft Surface Book Intel Core i5/i7 PC Tablet High speed charge, tinned copper, magnetic adhesion to charge. Short circuit, over current protection, over voltage protection, over temperature protection. A convenient backup charger for home or office users. Input: 12V-24V, 1.2A. Output: 12V 2.58A. Length: 1.2m