15V 2.58A (44W) Surface Power Supply Adapter for Microsoft Surface Pro3 & Surface Laptop (2017) POR 5 Charger with 5V 1A USB Charging Port for Phone

KABC oh and 44 w charger all certified updated version has been tested approved and certified by Underwriters Laboratories and bear the l label all testing is authorized by OSHA a US federal agency how to distinguish genuine or fake products as you can see the charger is bearing the L label on the left and the certificated power cord on the right what's different with all certificated charger and other charger security certificate quality certificate extending charger life current protection short-circuit protection voltage protection temperature controls we are confident with our product KABC oh n would like to offer the best product and service to customers and try to do better and better if you have any concern about the product please feel free to reach the seller let us gain the chance to solve your problem