Know your gear
This is an industry standard universal power adapter with 100W of power and selectable voltage and a USB port. Available voltage is 12/15/16/18/19/20V at 4.5A, 22/24V at 4.0A. USB port delivers 5V at 1A. With a wide range of plugs this power adapter will fit most major brand laptops. The following plug sizes are included, all sizes in mm listed by outerdiameter then inner diameter followd by length: 3.5 x 1.35 x 11, 4 x1.7 x 11, 4.8 x 1.7 x11, 5.5 x 1.7 x12, 5.5 x2.1 x 12, 5.5 x 2.5 x 12, 6.3 x 3 x 12, & 6 x 1 x 14. This universal power adapter also incluse a car charger so you can charge your devices on the road. The power adapters are 100% tested and compatible with the intended systems.