This is a genuine 19v 7.9a power adapter from Delta which fits a wide range of high end powerful laptops and desktop replacements such as Asus and MSI, but many other manufacturers also use the Delta ADP-150TB B laptop charger. This Delta 150w charger produces all the power your laptop needs. We are a UK supplier with UK stock which includes a free mains power cable 3 pin plug, but if you order from outside the UK we will send your countries correct power cord.