The Targus Charger Tip works with Targus Universal Chargers to provide power and charge compatible Sharp and Dell Computers. This Notebook Computer PowerTip is ChargeSource Compatible and works on Dell Latitude LT, as well as Sharp Actius A110, A150, A250, A290, PC-A100, and PC-A150 models. Simply plug the charger (not included) into your outlet, plug the Charger Tip into the charger, and the connect your notebook computer to the Charger Tip.