Laptop Ac Adapter Specification: Input: 100-240V 2.5A(2.5A) 50-60Hz Output Voltage: 19.5V Output Current: 11.8A Adapter Power: 230W Weight( Adapter only ) :850g Plug Size: 7.4 x 5.0mm tip note: A pin in center Warranty: 1Years Package include: 19.5V 11.8A 7.4 x 5.0mm AC Adapter 1 x US Power Cord Compatible Adapter Numbers: A12-230P1A A230A006L A230A011L ADP-230EB T