Genuine Microsoft chargers are listed below by the model in which these power supplies can be used on to power up or charge, simply check what model of tablet or laptop you have, for example Microsoft Surface 3, then simply select the Microsoft surface 3 charger below, some models like the Microsoft surface Pro 5, can be used with 3 different chargers, so simply select the one you need or in this tablets case you can upgrade and use the 102w surface pro charger, which provides the fast charge facility and charges the battery after faster speeds.