Ac Adapter Laptop Charger for DELL Inspiron M531R M531R-5535 M431R M421R M521R DELL Inspiron M5050, M5110, N5040, i5547, i7737T Series Ultrabook Laptop Notebook Battery Power Supply Cord Plug High Quality Brand New AC Adapter Charger Compatible Power Supply. Includes Power Cord Cable. World Wide Input Voltage 100-240VAC 50/60Hz, Output Voltage 19.5V *Fast Ships From USA*, 30 Days Money Back Guarantee, 3 Years Service Warranty. NEW AC Adapter Charger compatible replacement for Laptops Notebook Battery Power Supply Cord Plug Tested Units, Safety: Over Voltage Protection, Short Circuit Protection, Over Current Protection