Protac Surface Power Supply Adapter 36W 12V 2.58A for Microsoft Surface Pro 3 & Pro 4 i5 i7 Tablet (Pro 3 Wall Charger) Specially Designed for Microsoft Surface PrO 3 and Surface Pro 4 Tablet Input 100-240V, Output 12V 2.58A (Not Fit for Surface RT/ Pro/ Pro 2 and surface pro4 Intel Core M3) Easy to fit and remove Replacement for lost or damaged charger Offers short circuit protection, Short circuit, over current protection, over voltage protection, over temperature protection Light weight, easy to carry, ideal for travelling, A convenient backup charging cable for travel and business; NOTE: NO USB Port!!!