The HP 90 Watt Slim Combo adapter package comes complete with everything you need to power your HP notebook while on the go. Plug the adapter into an electrical outlet, or the DC power outlet in a car or on an airplane. This set comes with 3 different interchangeable tips for an array of compatibility. The power adapter block has an integrated USB port that acts as a power bank for charging your mobile devices like a phone or tablet. These units are tested and in like-new condition!