Thor Brand Replacement Wall Ac Power Adapter Cord for Asus Laptop Computer Pc: Q500a Q500a-bhi5n01 R500a-rh51-wt R500a-rh52 R500n-rh81 R503a-rh01 R503c R503c-rh31 R503u R503u-rh21 5 year warranty power cord included compatible to original equipment