Genuine Asus X751SJ chargers listed below just simply check your Asus model number which is listed beneath your laptop and then scroll down the list to find your correct Asus X751SJ charger, if you are unsure your full model number then you can use the short part number for example if you have a Asus X751SJ notebook, then simply select the Asus X751SJ charger and check this matches your old or broken Asus charger specification.