Yakamoz New Replacement 12V 3A 36W AC 100-240V Wall Charger Adapter US Plug Power Supply for Microsoft Surface Pro 3 with Free Lovely Anti Dust Plug Compatible with Microsoft Surface Pro 3 Only!! (Not Fit for Surface RT/ Pro/ Pro2!!) Replacement for lost or damaged charger, USA standard plug version I/C Chip technology prevents your tablet's battery overcharging. Input: AC 100-240V 50/ 60Hz 1.6A , Output: 36W A convenient backup charger for travel and business.