This 65W Dell XPS charger has connected you and USB Phone World by both 7.4 barrel connector and our one full year free warranty. If you are be fully conscious that you need to laptop AC adapter for your Inspiron or XPS computer, we will be so glad to have more interactions with you about how to select, activate, maintain and indicate properly. Even if it seems to be simple to operate on power supplies, laptop charger is a little bit different as it is not only a power source but another accessory for laptop computer to improve the performance and running speed. Distinct from other consumer electronics, we are just hard to work with lithium-ion batteries only for whole. So contact with us to develop some good habits on your 65W Dell laptop AC adapter and realize an actual high performance and long lived device.