Genuine Asus Rog Strix Scar 18 G834 chargers so far all use the 330w version which outputs at 20v 16.5a and charge using the 6 phi connector tip, always only buy genuine to not damage this powerful Asus notebook, all Asus G834 chargers are sourced direct from Asus distribution so you can be rest assured all ae authentic and will come with the authentic Asus QR code and part number, the Asus Rog G834 ac adapter includes both charging unit and a free power cord.