Brand New Replacement For 150W 19.5V 7.7A Dell Alienware M17XR3 AC Adapter/Power Supply/Charger With Laptop Cord.Replacement For Dell Alienware M17XR3 Adapter is rated at 19.5V 7.7A 150W.The high quality laptop charger for dell alienware m17xr3 provides your laptop with safe and reliable power.It is over Charge protection, Voltage protection, Temperature protection, Short circuit protection, enjoys 1-Year Warranty,60-Day Money Back!The Adapter is a 150W rated power supply and replaces dell alienware m17xr3 laptop charger. Designed to meet Dell’s original specifications. The Replacement Dell AC Adapter is designed to be 100% manufacturer compatible and will meet OEM specifications.