Usmart AC Adapter Laptop Charger for HP Chromebook 11 G3, 11 G4 Laptop Notebook Ultrabook 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